Verified answer

Answer:

1.24/60=2/5

2.first divided denominator with future dinominator

=60/4=15

now multiply with n and d

=5×15/4×15=225/60

3.1/7×49=7

4.1 hr = 60 min

so fraction=20/60=1/3 mean 1/3 of hour is 20

ii. 1 year=12 month

so fraction=7/12

hope this helps