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

Question

Mathematics

Beck

1 September, 08:40

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

+5

Answers (1)

Know the Answer?

Vicente Dorsey · Answer 1

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

Which expression is the LCD of these fractions1/p^3/4/7A p^3+7B p+7C 7p^3D 7p

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