Question

Calcule e simplifique o resultado se possível.

a) 1/3 2/9 4/3
b) 1/10 7/10 3/10
c) 7/15 3/15 1/10
d) 7/8 2/8 1/8


me ajudem, pfvr

Answer 1

a) 1/3 + 2/9 + 4/3

mmc(3,9) = 9

b)3 /9 +2/9+12/9= 17/9

1/10 +7/10+3/10 =11/10

c)

7/15 + 3/15 - 1/ 10

mmc(15,10)=30

14/30+ 6/30- 3/30=17/30

d)

7/8 -2/8 -1/8=4/8:4=1/2