michiescobar
michiescobar
03-09-2014
Mathematics
Answered
what is 6/7 - 2/5 please help
Answer :
unit274
unit274
03-09-2014
LCD=35.so 30/35-14/35=16/35.welcome
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scottehamar
scottehamar
03-09-2014
6/7-2/5 -> Find LC denominator ->35
7x5=35 so multiply num and den of 6/7 by 5
5x7=35 so multiply num and den of 2/5 buy 7
Works out to: 30/35 - 14/35
30-14= 16 answer is 16/35
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