In this worksheet, we will practice finding a common denominator of two proper fractions using models or listing multiples and using this to write both fractions over the same denominator.

Q1:

Which of the following sets of fractions has an LCD of 60 and is ordered from least to greatest?

A

B

C

D

E

Q2:

Find the LCD of the following pair of fractions: and .

Q3:

Find the LCD of the following pair of fractions: and .

Q4:

Find the LCD of the following pair of fractions: and .

Q5:

Find the LCD of the following pair of fractions: and .

Q6:

Find the LCD of the following pair of fractions: and .

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