Question

Find the ratio of the first quantity to the second quantity in the reduced form
(1)7minutes 20 seconds,5minutes 6seconds

Answer 1

$1st \: Change \: minute \: in \: Second$

$= \frac{7 \times 60 + 20}{5 \times 60 + 6}$

$= \frac{420 + 20}{300 + 6}$

$= \frac{440}{306}$

$= \frac{220}{153}$

$= 220 : 153$