Mathematics
Grade-4-
Easy

Question

The fractions that are equivalent are

  1. 8 over 7 text  and  end text 7 over 8
  2. 7 over 2 text  and  end text 28 over 8
  3. 3 over 2 text  and  end text 128 over 258
  4. 5 over 2 text  and  end text 125 over 25

Hint:

To find out whether the pair of fraction is equivalent we 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 the fractions are equivalent and vice versa.

The correct answer is: 7 over 2 text  and  end text 28 over 8


a. 8 over 7 text  and  end text 7 over 8           b. 7 over 2 text  and  end text 28 over 8         c. 3 over 2 text  and  end text 128 over 258           d. 5 over 2 text  and  end text 125 over 25
space space 8 cross times 8 space space space 7 cross times 7
equals 64 space space space space equals 49           space 7 cross times 8 space space space space space 28 cross times 2
equals 56 space space space space space equals 56      3 cross times 258 space space space space space 128 cross times 2
equals 774 space space space space space space equals 256        5 cross times 25 space space space space space 125 cross times 2
equals 125 space space space space space space equals 250
 The cross multiplication of the pair 7 over 2 text  and  end text 28 over 8 is equal.
Therefore,   7 over 2 text  and  end text 28 over 8 is an equivalent fraction.

Related Questions to study

card img

With Turito Academy.

card img

With Turito Foundation.

card img

Get an Expert Advice From Turito.

Turito Academy

card img

With Turito Academy.

Test Prep

card img

With Turito Foundation.