Math, asked by narkhedeasmi, 1 month ago

"-7/-10" can be expressed with a rational number with denominator 30 as

Answers

Answered by ayan7923
4

-7/-10

= -7 × -3/-10×-3( since minus multiplied by minus is plus)

= 21/30

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Answered by pulakmath007
0

SOLUTION

TO DETERMINE

- 7/ - 10 can be expressed with a rational number with denominator 30 as

EVALUATION

Here the given rational number is

  \sf \:  \dfrac{ - 7}{ - 10}

Which can be simplified as

  \sf \:  \dfrac{ - 7}{ - 10}

  \sf \:   = \dfrac{ 7}{ 10}

Numerator = 7

Denominator = 10

In order to express as a rational number with denominator as 30 we multiply both of the numerator and denominator by 3

Then we get

  \sf \:  \dfrac{ - 7}{ - 10}

  \sf \:  =  \dfrac{  7}{ 10}

  \sf \:  =  \dfrac{  7 \times 3}{ 10 \times 3}

  \sf \:  =  \dfrac{21}{30}

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