Question

Resolva as frações:

a) 7/9+3/5
b) 2/4+1/3
c) 2/5+17
d) 1/2-2/8
e) 2/3-4/7
f) 3/5-2/9​

Answer 1

Resposta:

Explicação passo a passo:

a) 7/9 + 3/5 = 35+27 / 45 = 62/45

b)  2/4 + 1/3 = 6+4 / 12 = 10/12 = 5/6

c)  2/5 + 1/7 = 14+5 / 35 = 19/35

d)  1/2 - 2/8 = 4-2 / 8 = 2/8 = 1/4

e)  2/3 - 4/7 = 14-12 / 21 = 2/21

f)  3/5 - 2/9 = 27-10 / 45 = 17/45