Question

Multiply the sum of 2/7and- 1/3 the difference of- 7/6 and -5/18
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Answer 1

Answer: 8/189

Explanation:

(2/7+(-1/3)*(-7/6-(-5/18))

multiply 2/7 by 3 and multiply -1/3 by 7

and multiply -7/6 by 3

(6/21-7/21)*(-21/18+5/18)

(it is +5/18 because if you multiply - and - it becomes +)

-1/21*-16/18 =8/189