Answer:
First, you have to convert hours to minutes which is multiply it by 60mins :
1 hr = 60 mins
3 hrs = 60×3
= 180 mins
Then, you have to divide it by 40 minutes to find the fraction :
180 ÷ 40 = 18/4
= 9/2
9/2
Explanation:
3 x 60 = 180 minutes
180 minutes over 40 minutes
divide both by two and you get 90 minutes over 20 minutes
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