Find Common Denominator 10 and 100

The BOTTOM of the fraction.

• numerator

• multiple

• denominator

• factor

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Find the lowest common denominator of these 3 Fractions:  4/5  7/100  9/10

• 50

• 100

• 500

• 5000

What is the lowest common denominator?

• 60

• 18

• 15

• 30

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.7.NS.A.1C

You must find the (a)   before you can add or subtract fractions with unlike denominators.

• common denominator

• common numerator

• multiple

• simplified fraction

Tags

CCSS.7.NS.A.1C

You must find the ​ (a)   before you can add or subtract fractions with unlike denominators.

• common denominator

• common numerator

• multiple

• simplified fraction

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What do you need to have when adding unlike fractions?

• common denominator

• common numerator

• common numerator and denominator

Tags

CCSS.7.NS.A.1C

What must you have in order to add fractions?

• different numerators

• common numerators

• common denominators

• opposite denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D