Question

COMO FAZ AS CONTAS (+5/4)-(+2/3)= E (+2/3)-(+1/3)=

Answer 1

5-2=3.5 - 4.2 = 15-8 = 7
4 3     4.3           12    12

2-1 =1
3 3   3

Answer 2

5/4 - 2/3
m.m.c,(3,4) ≡12
15 -   8
------------≡7/12
       12

2/3 - 1/3≡1/3