Question

How can-7/10 + -10/3 be simplified

Answer 1

(-7/10) + (-10/3)

= (-7/10)x 3 + (-10/3) x 10

= -21/30 - 10/30

= -31/30

Answer 2

-7/10 + -10/3 be simplified as

(-7/10) + (-10/3)

multiplying with  3 on both sides

= (-7/10)x 3 + (-10/3) x 3

= -21/30 - 10/30

= -31/30

hence it is proved