Steps to Adding and Subtracting Fractions with Unlike Denominators Quiz

Finding the least common denominator: What is the least common multiple of 4 and 6?

• 10

• 12

• 15

• 8

Finding the least common denominator: What is the least common multiple of 3 and 8?

• 16

• 11

• 30

• 24

Finding the least common denominator: What is the least common multiple of 5 and 9?

• 50

• 14

• 27

• 45

Converting fractions to equivalent fractions: Convert 3/5 to an equivalent fraction with a denominator of 15.

• 4/15

• 9/15

• 2/15

• 7/15

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Simplifying the resulting fraction: Simplify 10/15 to its lowest terms.

• 4/7

• 2/3

• 5/10

• 3/5

Identifying common factors in fractions: What are the common factors of 12 and 18?

• The common factors of 12 and 18 are 7, 14, and 21.

• The common factors of 12 and 18 are 4, 6, and 9.

• The common factors of 12 and 18 are 5, 10, and 15.

• The common factors of 12 and 18 are 1, 2, 3, and 6.

Identifying common factors in fractions: What are the common factors of 8 and 20?

• 5, 10, 15

• 7, 14, 21

• 3, 6, 9

• 1, 2, 4

When you add or subtract fractions with unlike denominators you.....

• Find the greatest common factor to change your denominator

• Change the denominator by picking a random number then divide

• Find the least common multiple to change your denominator

• none of these

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the first step to simplifying a fraction?

• List your factors of the numerator and denominator

• List your multiples of the numerator and denominator

• Pick a random number and divide the fractions twice

• none of these

When you have an improper fraction what do you do to make it a mixed number

• Multiply

• Add

• Subtract

• Divide