SweetSugar
SweetSugar SweetSugar
  • 18-05-2016
  • Mathematics
contestada

which expression is the LCD of these fractions
1/p^3/4/7

A p^3+7
B p+7
C 7p^3
D 7p

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meerkat18
meerkat18 meerkat18
  • 25-05-2016
1/p³ ÷ 4/7 

The least common denominator of both fraction is 7p³.

Rules in dividing fractions:
1) Get the reciprocal of the 2nd fraction
1st fraction = 1/p³
2nd fraction = 4/7
reciprocal of the 2nd fraction = 7/4

2) multiply the 1st fraction with the reciprocal of the 2nd fraction

1/p³ * 4/7 = 4/7p³


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