Fractions and Mixed Numbers: adding/sub/multi.

True or False: You need common denominators when multiplying fractions. 

• True
• False

Tags

CCSS.5.NF.B.4

What must you have to add and subtract fractions?

• Common numerators
• Different numerators
• Different denominators
• Common denominators

Tags

CCSS.5.NF.A.1

CCSS.5.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

• 5 1/2

• 1 1/6

• 5 5/14

• 4 1 9/24

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 5 1/2
• 1 1/6
• 5 5/14
• 4 19/24

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 5 1/2
• 1 1/6
• 5 5/14
• 4 19/24

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 3/20
• 1/1
• 3/9
• 1/9

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

8/9 - 1/3 = 

• 7/6
• 5/9
• 2/3
• 8/27

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the difference of 7/8 - 1/3?

• 6/5
• 8/11
• 6/8
• 13/24

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

3 x 1/2=

• 1 2/3

• 7/2

• 1 1/2

• 3/6