Question

When adding 2/9+1/15, what denominator would you use?

A. 27
B. 45
C. 90
D. 135

Answer 1

Explanation:

We want to add

The common denominator is 9*15 = 135

Answer: D. 135

Answer 2

We want to add

`(2)/(9) + (1)/(15)`

The common denominator is 9*15 = 135

Answer: D. 135