The sum of 4/7 + 0 + -8/9 + -13/7 + 17/21 is – InterviewSolution

1.

The sum of 4/7 + 0 + -8/9 + -13/7 + 17/21 is

Answer»

- 303/189

Step-by-step explanation:

4/7 + 0 + -8/9 + -13/7 + 17/21

4/7 - 8/9 - 13/7 + 17/21

12/21 - 8/9 - 39/21 + 17/21

108/189 - 168/189 - 351/189 + 153/189

108 - 168 - 351 + 153/189

-303/189

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