Question

Problem solving
In a month of 31 days a primary school worked only 21 days . Express the number of working days as fraction of the number of days in a month

Answer 1

1 month=31 days

1 day= 1/31 month

21 days =21/31 month

Answer 2

Total number of days in a month = 31

a primary school worked number of days = 21

So, a fraction of number of working days= 21/31