Question

and
8. Multiply the sum of
2/3 and -1/5
by the sum of
3/7
and
-5/21

Answer 1

Answer:

1&1/3.

Step-by-step explanation:

{2/3+(-1/5)}×{3/7+(-5/21)}

={2/3-1/5}×{3/7-5/21}

=2*5-1*3/15×3*3-5*1/21

=7/15×4/21

=4/3

=1&1/3.

Answer 2

Step-by-step explanation:

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