Question

1) 3/7 + -4/9 - -11/7 - 7/9.
2) 2/3 + -4/5 - 1/3 - 2/5.
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Answer 1

Answer:

1a)3/7 - 4/9 + 11/7 - 7/9

=14/7 + 11 /9

L.C.M of 7,9 is 63

=14/7 * 63

= 128

=11/9*63

=77

=128+77/63

=205/63

=3.2539682539682

2a)2/3-4/5-1/3-2/5

=LC.M.=15

=2/3*15=10

=4/5*15=12

=1/3*15=5

=2/5*15=6

So.It is 33

Answer 2

Answer:

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