Question

efetue e simplifique o resultado se possível:
A)1/3+2/4
B)4/3-1/5
C)1+2/3-2/5

Answer 1

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

B) 4/3-1/5
20-3/15
17/15

C) 1+ 2/3-2/5
15 + 10-6/15
25-6/15
19/15