Question

simply the following 5/7 + -9/10​

Answer 1

(5/7)+(-9/10)= (0.7)+(-0.9)=0.7-0.9=-0.2.

Answer 2

Answer:

5/7+ -9/10

= 5*10/7*10+ -9*7/10*7

= 50/70+ -63/70

= -13/70 (Answer)