Question

a) 1/7 + 3/7 + 2/7
b) 3 1/2 + 1/5 + -3/4
c) -1/4 + 3/4
d) 2/3 + (-1/8 + 3/4)
e) -8/5 + 7/15
f) (-1 1/3 + 7/8) + 2/3 ​

Answer 1

1-

=6/7

2-

=7/2+1/5-3/4

=59/20

3-

=2/4

=1/2

4-

=2/3+5/8

=31/24

5-

=(-17/15)

6-

=(-4/3+7/8)+2/3

=(-11/24)+2/3

=5/24

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Eso sale.