Question

operação de frações

a) 7/3 + 3/4 - 2/4

b) 6/7 - 1/3 + 4/3

c) 7/5 - 2/3 - 1/3

Answer 1

a) 7/3 + 3/4 - 2/4 = 28/12 + 9/12 - 6/12 = 31/12

b) 6/7 - 1/3 + 4/3 = 108/21 - 7/21 + 28/21 = 129/21

c) 7/5 - 2/3 - 1/3 = 21/15 - 10/15 - 5/15 = 6/15

* Espero ter ajudado!!!