Question

1)Calcule as operações de fracães

a) 7/13+2/13=

B)9/11+10/11=

C)13/10+29/10=

d) 31/6-17/6=

e)1/3+2/5=

f) 11/12-5/8=

Answer 1

Resposta:

A-9/13,B-19/11,C-42/10,D-14/6,E-3/8,F-6/4.