Add and Subtract Fractions + Mixed Numbers Like Denominator

Add and Subtract Fractions Like Denominators

Adding Fractions

• FIRST add the whole number

• THEN add the fraction

Multiple Choice

 $4\frac{1}{4}$  +  $2\frac{2}{4}$  

•  $\frac{6}{4}$  

•  $6\frac{3}{4}$  

•  $6\frac{3}{8}$  

• 7

Multiple Choice

 $4\frac{3}{8}$  + $3\frac{4}{8}$  

•  $7\frac{7}{16}$  

•  $7\frac{7}{8}$  

• 8

• 7

Multiple Select

 $\frac{3}{4}+\frac{1}{4}$  

•  $\frac{4}{8}$  

•  $\frac{4}{4}$  

• 1

•  $1\frac{1}{4}$  

Sometimes you may get a sum like 

 $6\frac{8}{6}$  What do you do?

• FIRST remember that it is the same as  $6+\frac{8}{6}$  

• Take out the WHOLE 6 $+\ \frac{6}{6}+\frac{2}{6}$  

•  $6+1+\frac{2}{6}$  

•  $7\frac{2}{6}$  

Multiple Choice

 $7\frac{6}{4}$  

Simplify

•  $\frac{10}{4}$  

•  $8\frac{2}{4}$  

• 9

•  $7\frac{2}{4}$  

Multiple Choice

 $4\frac{5}{3}$  

• 5

• 6

•  $5\frac{2}{3}$  

•  $4\frac{2}{3}$  

Multiple Choice

 $7\frac{3}{3}$  

Simplify

• 6

• 8

•  $6\frac{1}{3}$  

•  $7\frac{1}{3}$  

Subtracting Fractions!

• Subtract the whole number

• Subtract the fraction

• DONE! :)

Multiple Choice

 $5\frac{4}{6}-3\frac{2}{6}$  

• 3

•  $2\frac{2}{6}$  

• 2

•  $3\frac{6}{6}$  

Multiple Choice

 $5\frac{2}{3}-2\frac{2}{3}$  

•  $3\frac{2}{3}$  

• 3 $\frac{1}{3}$  

• 3

•  $2\frac{2}{3}$  

What if my first fraction is smaller?

•  $8\frac{2}{6}-2\frac{5}{6}$  

• YOU CANNOT JUST SWITCH THE NUMBERS. 

• Take a whole from the 8 and add it to your numerator. (2+6) since 6 is your denominator (whole).

• Your new equation should be  $7\frac{8}{6}-2\frac{5}{6}$  

• SUBTRACT :)

Multiple Choice

 $7\frac{1}{9}-3\frac{6}{9}$  

• 3 $\frac{4}{9}$  

•  $4\frac{5}{9}$  

•  $4\frac{ }{ }$  

•  $4\frac{4}{9}$  

Multiple Choice

 $7\frac{4}{8}-3\frac{6}{8}$  

• 4

•  $4\frac{2}{8}$  

•  $4\frac{6}{8}$  

•  $3\frac{6}{8}$  

Multiple Choice

 $8\frac{4}{10}-2\frac{7}{10}$  

• 5

• 5 $\frac{7}{10}$  

•  $6\frac{3}{10}$  

•  $6\frac{7}{10}$  

Multiply Fractions by whole number

• Multiply your numerator by the whole number

• Denominator stays the same!

•  $2\times\frac{1}{3}\equiv\frac{2}{3}$  

Multiple Choice

 $4\times\frac{4}{5}$  

•  $\frac{16}{20}$  

•  $\frac{16}{5}$  

•  $\frac{24}{5}$  

•  $\frac{8}{5}$  

Multiple Select

 $3\times\frac{2}{3}$  

•  $\frac{6}{3}$  

•  $\frac{6}{9}$  

• 2

•  $\frac{11}{3}$  

Multiple Select

 $5\times\frac{3}{4}$  

•  $\frac{23}{4}$  

•  $5\frac{3}{4}$  

•  $\frac{15}{4}$  

•  $3\frac{3}{4}$