Adding/Subtracting Fractions unlike Denominators

What is the least common denominator of 1/7 and 3/6?

• 14
• 21
• 7
• 42

Tags

CCSS.4.NF.A.2

What is the least common denominator of 6/8 and 4/12?

• 12
• 24
• 8
• 16

Tags

CCSS.4.NF.A.2

CCSS.4.OA.B.4

 $\frac{1}{2}+\frac{1}{4}=$  

•  $\frac{3}{4}$  

•  $\frac{2}{4}$  

•  $\frac{3}{6}$  

•  $\frac{2}{6}$  

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.3

  $\frac{19}{20}-\frac{3}{10}=$  

•  $\frac{15}{20}$  

•  $\frac{22}{20}$  

•  $\frac{13}{20}$  

•  $\frac{16}{10}$  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

 $\frac{3}{4}-\frac{2}{10}=$  

•  $\frac{11}{20}$  

•  $\frac{9}{10}$  

•  $\frac{11}{24}$  

•  $\frac{9}{4}$  

Tags

CCSS.5.NF.A.1

Add and simplify: $\frac{4}{5}+\frac{3}{8}$  

•  $\frac{32}{40}$  

•  $1\ \frac{7}{40}$  

•  $2\ \frac{5}{7}$  

•  $1\ \frac{1}{2}$  

Tags

CCSS.4.NF.A.2

When you have an improper fraction, what do you do to make it a mixed number?

• Divide

• Multiply

• Add

• Subtract

Tags

CCSS.4.NF.B.3

 $\frac{5}{10}+\frac{8}{5}=$  

•  $\frac{5}{9}$  

•  $\frac{1}{10}$  

•  $2\ \frac{1}{10}$  

•  $2\ \frac{2}{10}$  

Tags

CCSS.4.NF.B.3

CCSS.4.NF.C.5

 James is helping his dad paint his house. They mixed $\frac{5}{9}$ gallons of white paint and  $\frac{1}{6}$  gallons of blue pain. How many gallons was the mixture in all? 

•  $\frac{6}{18}$   gallons

•  $\frac{13}{18}$   gallons

•  $\frac{4}{5}$   gallons

•  $\frac{1}{6}$   gallons

Tags

CCSS.4.MD.A.2

 $\frac{8}{9}-\frac{5}{6}=$  

•  $\frac{4}{18}$  

•  $\frac{1}{18}$  

•  $\frac{3}{18}$  

Tags

CCSS.4.NF.A.2