Question

me ajuda por favor ❤️​

Answer 1

Resposta:

a) 3/9 +5/9 = 8/9

b) 10/7 - 4/7 = 6/7

c) 6/11 + 1/11 = 7/11

d) 7/15 - 4/15 + 2/15 = 5/15 = 1/3

e) 8/12 - 1/5 = 40/60-12/60 = 38/60

f) 1/4 + 2/3 = 3/12 + 8/12 = 11/12