Express 3 5 as a rational number with numerator: 21 - Vidyadip

Question

Express $\frac{3}{5}$ as a rational number with numerator:
21

✓

Answer

Rational number with numerator:
21 is:
$\frac{3\times7}{5\times7}=\frac{21}{35}$
(Multiplying numerator and denominator by 7)

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