Question

3 upon - 7 express as a rational number with denominator 21​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

-3 upon 7 x 3 upon 3= -9 upon 21

Step-by-step explanation:

3/-7 can be written as -3/7

multiply it by 3/3

it gives -9/21

hence it's the answer

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