Adding and Subtracting Mixed Numbers

What is the first step in adding mixed numbers?

• Find a common denominator

• Simplify the fractions

• Line up the numbers vertically

• Add the whole numbers

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What do you need to find to add fractions with unlike denominators?

• Least common multiple

• Greatest common divisor

• Highest common factor

• Least common denominator

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the least common denominator of 7 and 2?

• 28

• 2

• 14

• 7

Tags

CCSS.5.NF.A.1

What do you do after finding a common denominator?

• Multiply the fractions

• Simplify the fractions

• Divide the fractions

• Add or subtract the fractions

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

How do you rename 1/2 to have a denominator of 14?

• 4/14

• 7/14

• 2/14

• 1/14

Tags

CCSS.4.NF.A.1

CCSS.3.NF.A.3B

How do you simplify the fraction 11/14?

• 5/7

• 11/14 cannot be simplified

• 6/7

• 2/7

What is the first step in subtracting mixed numbers?

• Find a common denominator

• Line up the numbers vertically

• Simplify the fractions

• Subtract the whole numbers

Tags

CCSS.7.NS.A.1C

What is the simplified form of 2/12?

• 1/6

• 1/4

• 2/12 cannot be simplified

• 1/2

Tags

CCSS.4.NF.A.1

What is the result of 7 and 11/12 minus 2 and 3/4?

• 5 and 1/6

• 5 and 2/12

• 5 and 3/8

• 4 and 1/2

Tags

CCSS.7.NS.A.1C

How do you simplify the fraction 9/12?

• 2/3

• 1/2

• 3/4

• 9/12 cannot be simplified

Tags

CCSS.4.NF.A.1