It took Sam 5/3 of an hour to complete his math homework on Monday, 3/4 of an hour on Tuesday, and 5/6 of an hour on Wednesday. How many hours did he take to complete his homework altogether?
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Answer:
39/12
Step-by-step explanation:
L.C.M of 3,4 and 6 is 12
Therefore:12 divided by 3 multiplied by 5 =20
12 divided by 4 multiplied by 3 =9
12 divided by 6 multiplied by 5 =10
i.e. 20/12+9/12+10/12 =39/12
ANS=39/12 or in a mixed fraction that is three three upon twelve
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