Question

Efetue os calculos :

5/3 - 1/2 =

5/6 + 7/3 - 1/2 =


3- 1/2 X 7/5

10/3 X 1/7

7/5 X 7/5

1/2 X 4/5 

OBS: POR FAVOR COLOQUEM OS CALCULOS DO MMC 

ME AJUDEM  POR FAVOR E PARA AMNHA E URJENTE

Answer 1

5/3-1/2=
mmc=6
10-3/6=7/6

5/6+7/3-1/2=
mmc=6
5+14-3/6=16/6=8/3

3-1/2.7/5=
3-7/10=
30-7/7=23/7

10/3.1/7=
10/21

7/5.7/5=
49/25

1/2.4/5=
4/10=
2/5

Answer 2

5/3-1/2=7/6
5/6+1/3-1/2=2/3
mmc:6,3,2=6 vc vai dividir pelos números de baixo e multiplicar pelos de cima.
3/1-1/2×7/5=1/4
10/3×1/7=10/21
7/5×7/5=49/25
1/2×4/5=2/5

bons estudos!