Date: May 14, 2023

# Finding the Lowest Common Denominator Worksheet Test

Instructions: For each question, select the correct answer or complete the blank space with the appropriate information.

## Section 1: Multiple Choice

1. Which of the following is NOT a factor of 12?

• A) 1
• B) 2
• C) 3
• D) 4
2. What is the lowest common multiple of 4 and 6?

• A) 12
• B) 18
• C) 24
• D) 26
3. Which of the following is a common factor of 8 and 12?

• A) 2
• B) 3
• C) 4
• D) 5
4. What is the lowest common denominator of 2/3 and 3/4?

• A) 6
• B) 12
• C) 24
• D) 36
5. Which of the following is NOT a multiple of 5?

• A) 10
• B) 15
• C) 20
• D) 25

## Section 2: Fill in the Blanks

1. The lowest common multiple of 3 and 7 is _____.

2. To add fractions with different denominators, you must first find the _____.

3. The lowest common denominator of 1/2 and 3/4 is _____.

4. The factors of 15 are and .

5. The lowest common multiple of 5 and 9 is _____.

## Section 3: True or False

1. A multiple of a number is always greater than the number itself.

• A) True
• B) False
2. The lowest common multiple of two numbers is the smallest number that both numbers divide into evenly.

• A) True
• B) False
3. To find the lowest common denominator of two fractions, you must first find the lowest common multiple of the denominators.

• A) True
• B) False
4. The factors of a number are always greater than the number itself.

• A) True
• B) False
5. The lowest common denominator of two fractions is always the same as the lowest common multiple of the denominators.

• A) True
• B) False