Cálculea) 4/7 + 5/7b) 8/3 - 1/3c) 3/2 - 6/5d) 7/4 + 7/6me ajud...

resposta:

Explicação passo a passo:

Cálcule

a) 4/7 + 5/7 = 9/7

b) 8/3 - 1/3 = 7/3

c) 3/2 - 6/5

Mmc (2,5)= 10

= (5.3 - 2.6)/10

= (15-12) / 10

= 3/10

d) 7/4 + 7/6

Mmc (4,6)= 12

= (3.7 + 2.7)/12

= (21+14)/12

= 35/12