Question

resolva as expressões

a) 1/4 + 3/5
b)1/2 - 1/8
c) 5/7 + 3/4
d) 3/5 × 5/4 + 1/4
e) 5/6 ÷ 3/4 + 5/2

ME AJUDEM URGENTE PORFAVOR!!​

Answer 1

a. 1/4 + 3/5=

12+5/20=17/20

b.1/2-1/8=

4-1/8= 3/8