How do you do 7/8x4/5 divided by 7/20

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asked Aug 21, 2015 177k views

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How do you do 7/8x4/5 divided by 7/20

Mathematics
middle-school

David Spenard asked

by David Spenard

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Convert 7/8 and 4/5 into common denominators using 40; 28/40 and 32/40, multiply those to get 22.4. Divide 7 by 20 to get 0.35. Divide 22.4 by 0.35 for an end quotient of 64.

Mittal answered Aug 22, 2015

by Mittal

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$(7)/(8) * (4)/(5) \\\\ (28)/(40) \\\\ (7)/(10) \\\\ (7)/(10) / (7)/(20) \\\\ (7)/(10)*(20)/(7)\\\\ (1)/(1) * (2)/(1) =2$

Adam Sharp answered Aug 27, 2015

by Adam Sharp

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