Question

Which of the following is not an equivalent fraction of 4/5?
a) 8/10 b) 40/50 c) 12/15 d) 16/15​

Answer 1

Answer:

16/15

Step-by-step explanation:

4×2/5×2 = 8/10

4×10/5×10 = 40/50

4×3/5×3 = 12/15

We cannot find any number to multiply with 4 and 5 both to get 16/15.

Answer 2

Solution:

• Equivalent fraction or ratio means, multiply/divide the numerator and the denominator with the same number.

8/10

Dividing with 2

4/5

It is an equivalent of 4/5

40/50

Dividing with 10

4/5

It is an equivalent of 4/5

12/15

Dividing with 3

4/5

It is an equivalent of 4/5

16/15

It is not an equivalent of 4/5

Hence, 16/15 is not an equivalent of 4/5