Question
Express $\frac{-3}{5}$ as a rational number with denominator. $35$
✓
Answer
$35 = 5 \times 7$
$\therefore\frac{-3}{5}=\frac{-3\times7}{5\times7} ($Multiplying the numerator and denominator by $7)$
$=\frac{-21}{35}$
$\therefore\frac{-3}{5}=\frac{-3\times7}{5\times7} ($Multiplying the numerator and denominator by $7)$
$=\frac{-21}{35}$
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