Question

ME AJUDEM POR FAVOR
1/2 -1/5=
3/8+2/15=
10/11-4/5=
1/9+1/3=
OBRIGADA

Answer 1

OI....

a)

1/2 - 1/5 =  o mmc = 10

5 - 2/10

3/10

b)

3/8 + 2/15 = o mmc = 120

45 + 16/120

61/120

c)

10/11 - 4/5 = o mmc = 55

50/55 - 44/55

6/55

d)

1/9 + 1/3 = o mmc = 9

1/9+ 3/9

4/9

Bons estudos.