6/15 Fraction Review

What is the LCM for 3 and 9?

• 3
• 9
• 27
• 18

What is the LCM for 4 and 7?

• 4
• 7
• 14
• 28

Find the LCM of 42 and 66

• 2772
• 6
• 462
• 132

Solve 3/5 - 4/20

• 1/15

• 7/20

• 2/10 which simplifies to 1/5

• 8/20 which simplifies to 4/5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Which of the following would be the new fractions for finding common denominators for 3/4 and 2/6?

• 9/12 and 4/12

• 6/8 and 4/12

• 9/12 and 6/18

• 2/12 and 6/12

What step should you do first when adding fractions with unlike denominators?

• Just add the denominators together

• Find a common denominator

• Add the numerators together first

• Chang each numerator to be the same

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the least common denominator for

 $\frac{2}{5}\ and\ \frac{3}{7}$  

• 15

• 21

• 35

• 40

What is the least common denominator for

 $\frac{1}{8}\ and\ \frac{2}{9}$  

• 24

• 36

• 54

• 72

 $\frac{2}{5}+\frac{3}{10}=$  

• 7/10

• 5/10

• 1/2

• 5/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

 $\frac{8}{9}-\frac{1}{3}=$  

• 7/6

• 5/9

• 2/3

• 8/27

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2