Question

Find the least common denominator for these fractions. 5/7 and 4/6

Answer 1

The least common denominator is 21.

Explanation:

Put the fractions out of a denominator of 42

5/7 = 30/42 4/6 = 28/42

Divide both fractions by 2

35/42 = 15/21 4/6 = 14/21

Answer 2

Answer: 21 is the least common denominator

Explanation:

The least common denominator of 7 and 6 is 42, but will be simplified.

The fractions would turn into 30/42 and 28/42.

Now simplify.

15/21 and 14/21

This cannot be simplified any further without losing the common denominator