Subtraction of Mixed Numbers with Common Denominators

When adding or subtracting rational numbers, what must you have?

• Common Numerator

• Quick Answering Skills

• Common Numbers

• Common Denominators

Tags

CCSS.7.NS.A.1C

difference

• to have the same value

• the lowest common multiple of the denominators

• the answer to a subtraction problem

• any part of a group, number or whole

Tags

CCSS.3.NF.A.3C

Same multiple of the denominators (same bottom numbers).

• Mixed Number

• Common Denominators

• Improper Fractions

• Equivalent Fractions

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Check all fraction operations that required common denominators:

• addition

• subtraction

• multiplication

• division

• comparing fractions

Tags

CCSS.7.NS.A.1C

7 4/5 - 3 1/5

• 4 3/5

• 3 4/5

• 11

• 4 2/5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Solve

• 2

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Solve

• 1/12

• 11/12

• 1 1/12

• 10/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Solve

• 3/5

• 1 2/5

• 1 3/5

• 1/5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Solve

• 3/10

• 4/10

• 7/10

• 1 6/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Solve

• 7/8

• 1 1/8

• 1/8

• 0/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2