It took jose two-thirds of an hour to complete his math homework on Monday,three-fourths of an hour on tuesday,and two-fifths of an hour on wednesday.How many hours did it take jose to complete his homework altogether?.
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Answer:
Okii
2/3 + 3/4 + 2/5
Find LCM of
3-3 6 9 12 15 18 21 24 27 30--60
4-4 8 12 16 20-40-60
5-5 10 15 20-40-60
LCM is 60:
Convert
3÷60= 20
4÷60= 15
5÷60= 12
So add
20 15 12 42
_ + _ + _ = _
60 60 60 60
Meaning to say:
42 minutes is the answer