Question

3) What is 2/15 + 3/10 ? (hint: find the LCD first)
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Answer 1

13/30

Explanation:

2/15 = 2/15 × 2/2 = 4/30

3/10 = 3/10 × 3/3 = 9/30

4/30+9/30=13/30

Answer 2

13/30

Explanation:

2/15 x 2 = 4/30

3/10 x 3 = 9/30

4/30 + 9/30 = 13/30