Question

Write the following ratios in lowest term

$7:3\frac{1}{2}$

Answer 1

As $7:3\frac{1}{2}$

Firstly $3\frac{1}{2}=\frac{7}{2}$

Now, $7:\frac{7}{2}=\frac{7}{{\displaystyle \frac{7}{2}}}=7\times \frac{2}{7}=\frac{2}{1}$

Hence, the lowest term is $\frac{2}{1}=2:1$