Tom exercised 4/5 hour on monday and 5/6 hour on tuesday. 4/5=4/5*?/?=?/? write equivalent fractiond w a common denominator ... how much time did tom spend exercising on monday and tuesday? how much longer did tom spend exercising on tuesday than on monday?

Question

Mathematics

Charlie Morrow

3 July, 20:27

Tom exercised 4/5 hour on monday and 5/6 hour on tuesday. 4/5=4/5*?/?=?/? write equivalent fractiond w a common denominator ... how much time did tom spend exercising on monday and tuesday? how much longer did tom spend exercising on tuesday than on monday?

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Monica · Answer 1

To find the equivalent fractions, multiply each fraction by the others denominator ...

4/5 = 4/5 * 6/6 = 24/30

5/6 = 5/6 * 5/5 = 25/30

Since an hour is 60 minutes and our fractions are in 30 min increments, multiply each by 2/2 to find how long he exercised each day.

Monday = 24/30*2/2=48/60 so 48 minutes.

Tuesday = 25/30*2/2=50/60 so 50 minutes.

He spent 50-48 = 2 minutes longer on Tuesday exercising.