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in one hour ed used 2/5 of the time to complete his home work and 1/4 of the time to check his email.how much time did he spend completing home work and checking email? write your answer as a fraction.
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in one hour ed used 2/5 of the time to complete his home work and 1/4 of the time to check his email.how much time did he spend completing home work and checking email? write your answer as a fraction.

User Notpeter
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2 Answers

4 votes
Find a least common denominator for 5 and 4 which is 20 now multiply 2/5 X 4/1 + 1/4 X 5/1
Your answer should be 5/20 + 8/20 which is 13/20 your answer can not be reduced so that is your final answer
User YeJiabin
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8.6k points
2 votes
2/5+1/4=8/20+5/20
=13/20
User Bastl
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9.2k points
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