Question

A)23/7 + 1/3 - 2+ 1/6 =
B) 4 2/3- 1 1/2 + 7/8=

Answer 1

vamos primeiramente tirar o mmc dos denominadores.

7,3,6/7
1,3,6/6
1,3,1/3
1
MMC=6.3.7=126


A)23/7 + 1/3 - 2+ 1/6 =

18+42-252+21

=60-231

=-171

B) 4 2/3- 1 1/2 + 7/8=mmc---

6.(42)-11.(24)+6.7

=252-264+42

=-12+42

=30


MMC=48
3,2,8/3
1,2,8/8
1,2,1/2
1


espero ter ajudado!

bom dia !

Answer 2

A)23/7 + 1/3 - 2+ 1/6 =

138+14-84+7=
------------------------
42


75
---=>
42



25/14


ou


1,7857....




B) 4 2/3- 1 1/2 + 7/8=

14/3 - 11/2 + 7/8=>

1/24

ou


0,0416...