May 6th Adding and Subtracting Fractions and Mixed Numbers

 $3\ \frac{5}{8}\ +6\ \frac{1}{2}\ =$  

Answer in simplest form.

•  $9\ \frac{1}{8}$  

•  $9\ \frac{6}{8}$  

•  $9\ \frac{9}{8}$  

•  $10\ \frac{1}{8}$  

Tags

CCSS.5.NF.A.1

 $12\ \frac{1}{4}\ -\ 5\ \frac{2}{3}\ =$  

Answer in simplest form. 

•  $7\ \frac{7}{12}$  

•  $6\ \frac{7}{12}$  

•  $7\ \frac{1}{2}$  

•  $7\ \frac{3}{7}$  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

 Subtraction:
Find Lowest Common Denominator & solve 
8    5/7    -    7    2/3 = 

• 1    3/4
• 1   1/21
• 1     1/24 
• 1    3/24

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

A plumber is fitting a water pipe that is 3/4 foot long on to a water pipe that is 2/12 foot long. How long will the finished pipe be?

• 11/12 foot
• 8/16 foot
• 2/12 foot
• 1 foot

Tags

CCSS.4.MD.A.2

A contractor was paving a driveway. He mixed 4/7 ton of sand and 1/3 ton of concrete. How much did the mixture weigh?

• 1/4 ton
• 2/5 ton
• 5/7 ton
• 19/21 ton

4  - 3  2/6 

• 1  4/6
• 7  2/6
• 2/3
• 4

Tags

CCSS.7.NS.A.1C

True or False: You need common denominators when multiplying fractions. 

• True
• False

Tags

CCSS.5.NF.B.4

What must you have to add and subtract fractions?

• Common numerators
• Different numerators
• Different denominators
• Common denominators

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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.5.NF.A.1

CCSS.5.NF.A.2

• 5 1/2
• 1 1/6
• 5 5/14
• 4 19/24

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2