Question

Express -3/5 as a rational number with denominator of 20


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Answer 1

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`(12)/(20)`

Explanation:

To obtain a denominator of 20 requires the numerator and denominator to be multiplied by 4 , that is

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`(3)/(5)` = -
`(3(4))/(5(4))` = -
`(12)/(20)`