Additions and Subtraction of Fractions with Unlike Denominators

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

4/5 - 1/20 = 

• 0

• 20/15

• 3/15

• 15/20

Tags

CCSS.7.NS.A.1C

What is 8/9 - 5/6?

• 1/18

• 3/4

• 6/7

• 10/12

Tags

CCSS.7.NS.A.1C

Paula made some chili with 1/2 of a can of black beans and 3/8 of a can of pinto beans. How many cans of beans did Paula use in all?

• 4/10

• 4/8

• 7/8

• 1/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

The image is showing process is to add unlike denominators fractions:

TRUE or FALSE

• TRUE

• FALSE

Tags

CCSS.7.NS.A.1C

Add

Tags

CCSS.4.NF.B.3A

Tags

CCSS.4.OA.C.5

What is the strategy to add fraction with unlike denominators?

• Smiley face

• XD

• Butterfly rule

• Cross multiplying

Tags

CCSS.7.NS.A.1C

When Adding UNLIKE denominators fractions:

To find the denominator, you need to

• Multiply numerators

• Cross multiply the denominators

• Multiply denominators

• Add denominators

Tags

CCSS.7.NS.A.1C

The image represent an addition of:

• Like denominators fractions

• Unlike denominators Fraction

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2