Adding & Subtracting Mixed Numbers

 $6\ \frac{2}{5}-1\ \frac{4}{5}$  

•  $5\ \frac{2}{5}$  

•  $4\ \frac{3}{5}$  

•  $5\ \frac{4}{5}$  

•  $4\ \frac{2}{5}$  

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

 $2\frac{9}{10}\ +6\ \frac{1}{3}=$  

•  $9\ \frac{7}{30}$  

•  $5\ \frac{4}{9}$  

•  $6\ \frac{1}{4}$ 

•  $4\ \frac{1}{2}$  

Tags

CCSS.7.NS.A.1C

To put a fraction in simplest form, you will need to do this to the numerator and denominator

• subtract both by same number
• divide both by the same number
• add the same number to both
• multiply both by the same number

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.5.NF.A.1

CCSS.5.NF.A.2

 $5\ \frac{3}{8}-2\ \frac{7}{8}$ 

•  $3\ \frac{4}{8}$  

•  $2\ \frac{1}{2}$  

•  $3\ \frac{1}{2}$  

•  $2\ \frac{6}{8}$  

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Bixby and Alexa are cats. Bixby weighs 4 1/8 kilograms. Their total weight of the cats is 6 7/8 kilograms. How much does Alexa weigh?

• 2 6/8

• 1 7/8

• 3

• 2 7/8

Tags

CCSS.7.NS.A.3

A builder cut 2 7/8 inches off a length of lumber. The lumber was 3 3/8 inches to start with. How much is left over?

• 6/8

• 1 4/8

• 4/8

• 1 3/8

Tags

CCSS.7.NS.A.1C

Mom had 5 2/6 yards of fabric. She cut off 3/6 yards for a quilt. She also cut 2 4/6 yards off the roll of fabric for another quilt. How much fabric did she have left?

• 4 5/6 yards

• 2 1/6 yards

• 2 yards

• 2 4/6 yards

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

When adding the fractions 2/12, 2/6, and 3/9, what should you use as the LCD?

• 36
• 24
• 12
• 6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Which expression is equivalent to 19/12? 

• 3/4 + 5/6
• 6/12 + 10/12
• 15/4 + 3/8
• 9/6 + 10/6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2