Question

Express the following ratios in their simplest form:

$1m5cm$ : $63cm$

Answer 1

Converting into the same units,

$1m=100cm$

$1m5cm=100cm+5cm=105cm$

$1m5cm:63cm=105cm:63cm$

$=7\times 5\times 3:7\times 3\times 3$

$=5:3$