Question

Common denominator for 1/4 and 7/10​

Answer 1

Explanation:

Common Denominator is 20.

Some multiples of 4 are 4, 8, 12, 16, 20.

Some multiples of 10 are 10, 20, 30, 40, 50.

This shows that 20 is a common denominator because 20 is a multiple of both 4 and 10.