Question

Verify a+b=b+a for a=(-3)/7 and b=2/5

Answer 1

Step-by-step explanation:

Where a = -3/7 and b = 2/5

On finding lcm we convert them into -15/35 and 14/35

For a+b=b+a

-15+14/35=14+-15/35

=-1/35=-1/35

hence proved