Question

calcule as frações:
A 2 - 7/6 + 3/4
B 2 2/5 + 11/2 + 1/3
C 3/4 + 5/6 - 1/2

Answer 1

Respostah:

A) 2 - 7/6 + 3/4 = 24 /12 -14/12 + 9/12 = 19/12

B) 2 2/5 + 11/2 + 1/3 = 12/5 + 11/2 + 1/3 = 72/30 + 165/30 + 10/30 = 247/30

C) 3/4 + 5/6 - 1/2 = 9/12 + 10/12 - 6/12 = 13/12