분수의 덧셈과 뺄셈 단원 종합

K.1Fill in each box.

1. 1
   $\frac{8}{12}=$ $\frac{7}{12}+\frac{\boxed{}}{12}$
2. 2
   $\frac{4}{10}=$ $\frac{1}{10}+\frac{\boxed{}}{10}+\frac{2}{10}$

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

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

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

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

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

1. 7
   $\frac{4}{6}+\frac{4}{6}+\frac{1}{6}=$ 
2. 8
   $\frac{1}{6}+\frac{2}{6}+\frac{5}{6}=$ 

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

1. 9
   $5\frac{2}{3}-1\frac{2}{3}=$ 
2. 10
   $4\frac{1}{6}+4\frac{2}{6}=$ 

K.6Add. Write each answer in hundredths.

1. 11
   $\frac{61}{100}+\frac{4}{10}=$ 
2. 12
   $\frac{2}{100}+\frac{7}{10}=$ 

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

1. 13
   $\frac{11}{12}+\frac{3}{12}=$ 
2. 14
   $\frac{2}{8}+\frac{6}{8}=$ 

K.1Decompose Fractions

1. 11
2. 21

K.2Add Fractions with Like Denominators

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

K.3Subtract Fractions with Like Denominators

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

K.4Add Three or More Fractions

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

K.5Add & Subtract Mixed Numbers

1. 9$4$
2. 10$8\frac{1}{2}$

K.6Add Tenths & Hundredths

1. 11$1\frac{1}{100}$
2. 12$\frac{72}{100}$

K.7Adding & Subtracting Fractions (Like Denominators)

1. 13$1\frac{1}{6}$
2. 14$1$