Question

Preciso de ajuda .
pra entregar amanhã ​

Answer 1

Explicação passo-a-passo:

a) 1/2+1/4= 2+1/4= 3/4

b) 1/3+1/2= 2+3/6= 5/6

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

d) 1/2-1/4= 2-1/4=1/4

e) 2/5-1/3= 6-5/15= 1/15

f) 2/7+1/8=16+7/55= 23/56