Page 73 - Math Course 1 (Book 1)

LCM (Least Common Multiple)

Skill Practice!

Find the least common multiple (LCM) of each pair of numbers or monomials.

1. 9, 12 2. 8, 10

3. 7, 21 4. 6, 10

5. 14, 35

Find the least common denominator (LCD) of each pair of fractions.

6. 2 , 3 7. 7 , 6
3 4 3p 2p

3 7 7 25
8. , 9. ,
10 12 48 36

9 7
10. ,
5ab 10c²

Replace each with , < , > or = to make a true
sentence.

2 7 VOTING
11.
7
5 15 G During a student council meeting of the members
voted to hold a bake sale. 12
2
If a vote is required to pass, will a bake sale be held?
3
9 4
12.
36 8

4 3
13.
18 15

65