Find the least common denominator (LCD) for the fractions. 1/12 and 3/4

A. 12

B. 4

C. 16

D. 48

㤔’ and 㤸’ (choices ’A’ and ’D’) will both work as common denominators.

The least one is 㤔’.

Since 4 is a factor of 12, any multiple of 12 is also a multiple of 4, and can

serve as a common denominator. The smallest multiple of 12 is 12 itself.

1/12

Multiples of 12: 12, 24, 36, 48, 60.

3/4

Multiples of 4: 4, 8, 12, 16, 20,**12** is a multiple of both 12 and 4, therefore that will be the LCD.

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