Fraction Operations

How do you simplify fractions such as $\frac{20}{44}$  

• Multiply the top and the bottom by a common factor.

• Divide the numerator and denomiator by a common factor.

• Add the numerator and denominator together.

• Subtract the numerator from the denominator.

Simplify.
14/35

• SF
• 2/5
• 7/8
• 1/4

Tags

CCSS.4.NF.A.1

44/60

• SF
• 2/3
• 11/15
• 11/12

Tags

CCSS.6.NS.A.1

49/63

• SF
• 7/9
• 7/8
• 1/2

Tags

CCSS.4.NF.A.1

CCSS.4.NF.A.2

What is the first step in solving this problem? 
⅘ + ½ =

• Add the top parts of the fraction
• Rewrite the fractions in the simplest form. 
• Find a common denominator. 
• Make each fraction into an improper faction. 

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Is this a correct answer?

• Yes, the student correctly added.
• No, you cannot add unlike denominators
• No, 5 + 7 is not 12
• No, 2 + 3 is not 5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Solve this equation using the least common denominator.
¼ + ½

• 3/4
• 2/8
• 6/4
• 6/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

How do you multiply fractions together?

• Multiply the numerators, multiply the denominators.

• Add the numerators, Add the denominators.

• Divide the numerators, Divide the denominators.

• Subtract the numerators, subtract the denominators.

Tags

CCSS.5.NF.B.6

¼ × ⅚ =

• ¹/₄
• ⁶/₂₀
• ⁵/₂₄
• ³/₂₀

Tags

CCSS.5.NF.B.6

Find the product.  Then, simplify.

• 2/24
• 3/24
• 1/12
• 3/16

Tags

CCSS.5.NF.B.6