Mathematics
Grade-4-
Easy

Question

The fractions that are equivalent are

  1. 7 over 8 text  and  end text 14 over 15
  2. 2 over 3 text  and  end text 16 over 15
  3. 3 over 2 text  and  end text 15 over 10
  4. 5 over 2 text  and  end text 10 over 15

hintHint:

To find out whether the pair of fraction is equivalent, w
e have to do cross multiplication. For this we have to multiply the numerator of first fraction and the denominator of second, and numerator of second fraction to the denominator of first. If the products are equal thenlpp fractions are equivalent and vice versa.

The correct answer is: 3 over 2 text  and  end text 15 over 10


    a. 7 over 8 text  and  end text 14 over 15                b. 2 over 3 text  and  end text 16 over 15               c. 3 over 2 text  and  end text 15 over 10               d. 5 over 2 text  and  end text 10 over 15
    7 cross times 15
equals 105    14 cross times 8
equals 112            2 cross times 15
equals 30      16 cross times 3
equals 48             3 cross times 10 space space space space space space space 15 cross times 2
equals space 30 space space space space space space space space equals 30         5 cross times 15 space space space space space space space 10 cross times 2
equals 75 space space space space space space space space space equals 20
    Therefore the equivalent pair of fraction is 3 over 2 space a n d 15 over 10.

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