SweetSugar SweetSugar

18-05-2016
Mathematics

Answered

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

Verified Answer :

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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