Question

simplify 2/5+3/7+(-6/5)+(-13/7​

Answer 1

Answer:

−78/35

Step-by-step explanation:

2/5+3/7+−6/5+-13/17

=29/35+−6/5+−13/7

=−13/35+−13/7

=−78/35

Answer 2

Answer:

Rearrange the given fractions keeping similar fractions together.

2/5±3/7±(-6/5)±(-13/7)=2/5±3/7-6/5-13/7

=(2/5-6/5)±(3/7-13/7) by commutative law of addition.

=2-6/5±3-13/7

=-4/5±-10/7=-4/5-10/7

=-4×7-10×5/35=-28-50/35=-78/35

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