Question
Simplify: $\frac{3}{5}-\frac{7}{20}$

Answer

Here, $LCM$ of $5$ and $20$ is $20.$
Therefore, $\frac{3}{5}-\frac{7}{20}=\frac{3 \times 4}{5 \times 4}-\frac{7}{20}=\frac{12}{20}-\frac{7}{20}$
$= \frac{12-7}{20}=\frac{5}{20}=\frac{1}{4}$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free