Least Common Denominator Review

Quiz Review

​Objectives

​I can...

• ​Use what I know to answer questions in the review

• ​Add and subtract fractions using Least Common Denominator

• ​Convert between fractions and decimals

Least Common Denominator​

Multiple Choice

What is the least common denominator of $$\frac{1}{6}\ \ and\ \ \frac{3}{8}$$  ?

• 12

• 24

• 36

• 48

​6, 12, 18, 24, 30, 36, 42, 48, 54, 60

​

​8, 16, 24, 32, 40, 48, 56, 64, 72, 80

Fill in the Blanks

What is the least common denominator of $\frac{2}{3}\ and\ \ \frac{6}{7}$  ?

Multiple Choice

What is the least common denominator of $$\frac{1}{3}\ \ and\ \ \frac{5}{15}$$  ?

• 3

• 15

• 30

• 45

Add and Subtract Fractions

Multiple Choice

$$\frac{1}{4}+\frac{3}{5}=?$$  

• $$\frac{4}{9}$$  

• $$\frac{11}{20}$$  

• $$\frac{17}{20}$$  

• $$\frac{7}{9}$$  

Fill in the Blanks

What do you multiply with 5 to get 20?

Multiple Choice

$$\frac{3}{4}-\frac{1}{3}=?$$  

• $$\frac{7}{24}$$  

• $$\frac{13}{12}$$  

• $$\frac{2}{1}$$  

• $$\frac{5}{12}$$  

Multiple Choice

$$\frac{5}{11}+\frac{1}{6}=?$$  

• $$\frac{41}{66}$$  

• $$\frac{6}{17}$$  

• $$\frac{19}{66}$$  

• $$\frac{4}{5}$$  

​Convert Fractions to Decimals

Multiple Choice

Convert $$\frac{97}{100}$$  to a decimal.

• 9.7

• 0.97

• 0.097

• 0.0097

​How to Convert a Fraction to Decimal

​9 7

​<-----

​Use a Calculator

Fill in the Blanks

Convert $\frac{6}{10}$  to a decimal.

Fill in the Blanks

Convert $\frac{58}{1000}$  to a decimal.

​Convert Decimals to Fractions

Multiple Choice

Convert 0.09 to a fraction.

• $$\frac{9}{10}$$  

• $$\frac{9}{100}$$  

• $$\frac{9}{1000}$$  

• $$\frac{9}{10000}$$  

​<------

​9

​100

Multiple Choice

Convert 0.89 to a fraction.

• $$\frac{89}{10}$$  

• $$\frac{89}{100}$$  

• $$\frac{89}{1000}$$  

• $$\frac{89}{10000}$$  

Multiple Choice

Convert 0.432 to a fraction.

• $$\frac{432}{10}$$  

• $$\frac{432}{100}$$  

• $$\frac{432}{1000}$$  

• $$\frac{432}{10000}$$  

Poll

Which topic do you need to practice on more?

• Least Common Denominator

• Add and Subtract Fractions

• Convert Fractions to Decimals

• Convert Decimals to Fractions

Reminder: Quiz Next Week!​

Complete your study guide before Sunday,

December 19 at 10:00PM.