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-5+7/10+3/7+(-3)+5/14+(-4/5)..whats the answer for this (in fractional form)

1 Answer

4 votes

Answer:

-491/70 or -7 1/70.

Explanation:

-5+7/10+3/7+(-3)+5/14+(-4/5)

= -5 + 10/7 - 3 + 5/14 - 4/5

The LCM of 7 14 and 5 is 70 so we have

- 5 - 3 + 100/70 + 25/70 - 56/70

= -8 + 69/70

= -560/70 + 69/70

= -491/70.

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