Subtracting Mixed Numbers with Unlike Fractions

When adding and subtracting fractions, which value needs to be the same in all values being added/subtracted?

• Numerator

• Denominator

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the process of making two fractions with unlike denominators able to be added or subtracted called?

• Finding the least common multiple or least common denominator

• Addition

• Multiplication

• Reverse multiplication

Tags

CCSS.7.NS.A.1C

Tags

CCSS.3.NF.A.3C

Solve and simplify to lowest terms.

• a

• b

• c

• d

Tags

CCSS.7.NS.A.1C

11  1/5  -  7  1/3

• 3  13/15

• 4  11/15

• 3  8/15

• 4  3/5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

4  7/12  -  2  2/3

• 1  3/4

• 1  11/12

• 2  5/7

• 2  8/9

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is 5 1/4 - 3 3/4 in simplest form?

• 6/4

• 1 1/2

• 2 1/2

• 2 3/4

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

7 2/7
- 3 5/7

• 2 4/7

• 3 4/7

• 4 4/7

• 3 2/7

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

When the denominators are not the same, I must find a...

• common numerator

• common denominator

• equivalent fraction

• mixed number

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What must you do first in order to add or subtract fractions with unlike denominators?

• add the numerators

• add the denominators

• find a common denominator

• find a common numerator

Tags

CCSS.7.NS.A.1C