Divide the sum of 13/5and -12/7 by the product of -31/7 and 1/-2?
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Answer:
2/5
Step-by-step explanation:
sum of 13/5and -12/7
13/5-12/7
=1/35(13*7-12*5)/35
=1/35(91-60)
x=31/35
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product of -31/7 and 1/-2
=-31/7*-1/2
y=31/14
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x/y=(31/35)/31/14
=31/35*14/31
=14/35
=2/5
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