The equivalent rational number

Question:

The equivalent rational number of $\frac{7}{9}$, whose denominator is 45 is_________.

 

Solution:

Form the question it is given that equivalent of $7 / 9=$ Numerator $/ 45$

To get 45 in the denominator multiply both numerator and denominator by 5

Then,

$=(7 \times 5) /(9 \times 5)$

$=35 / 45$

So, the equivalent rational number of $7 / 9$, whose denominator is 45 is $(35 / 45)$

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