Unit Review: Adding & subtracting fractions

K.1Fill in each box.

1. 1
   $\frac{5}{6}=$ $\frac{\boxed{}}{6}+\frac{2}{6}$
2. 2
   $\frac{5}{12}=$ $\frac{\boxed{}}{12}+\frac{4}{12}$

K.2Add. Write each answer in simplest form.

1. 3
   $\frac{2}{6}+\frac{1}{6}=$ 
2. 4
   $\frac{2}{3}+\frac{1}{3}=$ 

K.3Subtract. Write each answer in simplest form.

1. 5
   $\frac{6}{10}-\frac{3}{10}=$ 
2. 6
   $\frac{3}{4}-\frac{2}{4}=$ 

K.4Add. Write each answer in simplest form.

1. 7
   $\frac{2}{3}+\frac{2}{3}+\frac{2}{3}=$ 
2. 8
   $\frac{1}{3}+\frac{2}{3}+\frac{2}{3}=$ 

K.5Add or subtract. Write each answer in simplest form.

1. 9
   $4\frac{8}{10}-2\frac{8}{10}=$ 
2. 10
   $4\frac{4}{10}-3\frac{7}{10}=$ 

K.6Add. Write each answer in hundredths.

1. 11
   $\frac{1}{10}+\frac{49}{100}=$ 
2. 12
   $\frac{7}{10}+\frac{76}{100}=$ 

K.7Add or subtract. Write each answer in simplest form.

1. 13
   $\frac{5}{6}-\frac{2}{6}=$ 
2. 14
   $\frac{9}{12}-\frac{8}{12}=$ 

K.1Decompose Fractions

1. 13
2. 21

K.2Add Fractions with Like Denominators

1. 3$\frac{1}{2}$
2. 4$1$

K.3Subtract Fractions with Like Denominators

1. 5$\frac{3}{10}$
2. 6$\frac{1}{4}$

K.4Add Three or More Fractions

1. 7$2$
2. 8$1\frac{2}{3}$

K.5Add & Subtract Mixed Numbers

1. 9$2$
2. 10$\frac{7}{10}$

K.6Add Tenths & Hundredths

1. 11$\frac{59}{100}$
2. 12$1\frac{46}{100}$

K.7Adding & Subtracting Fractions (Like Denominators)

1. 13$\frac{1}{2}$
2. 14$\frac{1}{12}$