Question

verify the following equation (-3/5+1/6)+9/10=-3/5+(1/6+3/10)

Answer 1

(-3/5+1/6)+9/10 = -3/5+(1/6+9/10)

-13/30+9/10 = -3/5+32/30

7/15 = 7/15 (by associativity)

hence the equation is verified by the property of associativity of rational numbers.