Question

Which common denominator can be used to add each pair of fractions? Match each pair of fractions to the common denominator that can be used.

Answer 1

I don’t know

Step-by-step explanation: the answer is

Answer 2

Answer + Explanation

You look at the two denominators of the fractions and find the least common multiple of both of them.

1. the LCM of 2 and 5 is 10

2. the LCM of 3 and 5 is 15

3. the LCM of 4 and 6 is 12

4. the LCM of 6 and 9 is 18