Question

$\frac{14}{15} - \frac{13}{20}$

Answer 1

14/15-13/20
LCM of 15 and 20 is 60

so,
56-39/60
17/60

Answer 2

$\frac{14}{15} - \frac{13}{20}$
Taking LCM ,We get 60 as a Lcm
then now,
$\frac{14 \times 4 - 13 \times 3}{60}$
56-39 /60 =17/60