Question

If -11/5 ; 4/7 are two rational numbers then find -11/7+4/7 and 4/7+ (-11/5).what epwe observe

Answer 1

Answer:

-11/5+4/7=-77/35+20/35=-57/35

4/7+(-11/5)=4/7-11/5=20/35-77/35=-57/35

we observe the commutative property of numbers.