Adding and Subtracting Fractions Review

Multiple Choice

Look at the picture. Is it a mixed number or an improper fraction?

• Mixed number

• Improper fraction

Multiple Choice

Look at the picture. Is it a mixed number or an improper fraction?

• Mixed number
• Improper fraction

Improper to Mixed

• Part I: Divide

• Part II: Find Remainder

• Quotient is whole number

  Remainder is new numerator

• Denominator is same

Multiple Choice

Changed to a mixed number

$$\frac{15}{4}$$  

• 3 ³/₄

• 3 ³/₁₅

• 3 ¹/₃

• 4 ¹/₄

Mixed to Improper

• First: Multiply by denominator

• Second: Add result to numerator

• Denominator is the same

Multiple Choice

10/3= what as a mixed number?

• $$2\frac{4}{3}$$

• $$3\frac{2}{3}$$
  

• $$3\frac{1}{3}$$
  

• $$4\frac{3}{3}$$
  

Multiple Choice

Convert this mixed number to an improper fraction.

• 1/6
• 21/6
• 13/6
• 12/6

The Correct Way

• Stack Vertically & Add Whole Numbers

• Find the Least Common Denominator

• Multiply the Numerator AND Denominator to get equivalent fractions

• Add the fractions with like denominators

Fill in the Blank

To find an equivalent fraction, multiply the numerator and the denominator by the ________ number.

Open Ended

What must you do before adding or subtracting unlike fractions?

Multiple Choice

$$\frac{3}{8\ }\ +\frac{3}{4}\ =$$  Write your answer in simplest form. 

• $$\frac{9}{16}$$  

• $$1\ \frac{1}{8}$$  

• $$\frac{6}{8}$$  

• $$\frac{6}{12}$$  

Multiple Choice

$$2\ \frac{1}{3\ }\ -\ 1\ \frac{1}{2}\ =\ Write\ your\ answer\ in\ simplest\ form.\$$  

• $$\frac{5}{6}$$  

• $$\frac{4}{6}$$  

• $$\frac{4}{1}$$  

• $$1\ \frac{5}{6}$$  

Multiple Select

Solve.

$$\frac{6}{8}-\frac{3}{8}\ =\ \$$  

• $$\frac{9}{8}$$  

• $$\frac{3}{8}$$  

• $$\frac{3}{0}$$  

• $$\frac{2}{8}$$  

Multiple Select

What is the least common denominator for the following fractions?

• 21

• 14

• 28

• 30

Multiple Select

Solve.

• $$2\ \frac{2}{9}$$  

• $$3$$  

• $$3\ \frac{2}{9}$$  

• $$2\ \frac{8}{9}$$  

Multiple Choice

Drake bought 3/8 pound of pears and 5/12 pound of bananas. How many pounds of fruit did he buy?

• 1/24 pound

• 2/5 pound

• 19/24 pound

• 1/3 pound

Multiple Choice

Aurora brought a pie to school. Mrs. Bridgman ate 1/10 of the pie. The boys ate half of the pie. How much is left?

• 1/10

• 1/20

• 4/10

• 10/12