Page 76 - ICSE Math 6
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3.  Convert the following mixed fractions into improper fractions.

                               1                      2                        1                       17
                        (a) 2                   (b) 3                   (c) 11                  (d) 25
                               4                      5                        2                       20
                      4.  Convert the following improper fractions into mixed fractions.
                             125                     43                     17                       40
                        (a)                     (b)                     (c)                     (d)
                             12                       8                     15                       7
                      5.  Reduce the following fractions to their simplest form.
                              2              5             115              24             99            120
                        (a)          (b)            (c)            (d)             (e)            (f)
                             120             75             50             150             66            12
                               5
                      6.  Shade   of a circle after dividing it into 6 equal parts.
                               6
                               1
                      7.  Shade   of a triangle after dividing it into 4 equal parts.
                               2
                      8.  Convert the following groups of unlike fractions into like fractions.
                             1 11        1           53        7             9 5      10             5 7 9       15
                        (a)    , , and          (b)    ,   and          (c)    , and            (d)    , , and
                             2 3 5       11          6 10      8            16 7       3            14 8 7        4

                    Representation of Fractions on the Number Line
                                               3
                    Let’s represent the fraction   on the number line. On the number line, mark 0 as O and 1 as A. Divide
                                               5
                    OA into 5 equal parts by inserting points B, C, D and E such that OB = BC = CD = DE = EA. The
                                                      1 2 3 4        5
                    points B, C, D, E and A represent  , , , and ( 1)=  respectively.
                                                      5 5 5 5        5
                                                   O      B       C      D       E      A

                                                   0                     3              1
                                                                         5
                                                                 1
                    Similarly, to represent the mixed fraction  1  on the same number               Maths Info
                                                                 5
                    line, mark point F to the right of A such that EA = AF. Point F will      To represent improper fractions
                               1                                                              on a number line, convert them
                    represent 1 .                                                             into mixed fractions.
                               5                       B  C   D   E   A  F

                                                   0          3      1  1 1             2
                                                              5           5
                                             1 3      9
                    Example 12: Represent  , and         on the same number line.
                                             55       5
                    Solution:     We first divide the line segment between 0 and 1 into 5 equal parts. The first mark to
                                                       1                                                 3
                                  the right of 0 shows   and the third mark to the right of 0 represents  .
                                                       5                                                 5
                                                         9                     4
                                  The improper fraction   can be written as 1 . Divide the line segment between 1 and
                                                         5                     5                     4     9
                                  2 into 5 equal parts. The fourth mark to the right of 1 represents 1  or  .
                                                                                                     5     5

                                                      0 1      3     1           9  2
                                                         5     5                 5

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