michiescobar michiescobar

04-09-2014
Mathematics

contestada

what is 6/7 - 2/5 please help

Respuesta :

unit274 unit274

04-09-2014

LCD=35.so 30/35-14/35=16/35.welcome

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scottehamar scottehamar

04-09-2014

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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