Fraction Decomposition
Addition
Subtraction
Traditional Addition
Traditional subtraction
200

Write an equation to show 6/8 as the sum of fraction units.

1/8 + 1/8 + 1/8 + 1/8 +1/8 + 1/8

200

1/5 + 3/5

4/5

200

5/6 - 2/6

3/6 or 1/2

200

1,947 + 893 =

2,840 

200

541 - 63 = 

478

400

Decompose this fraction TWO different ways.

5/12

1/12 + 2/12 + 2/12

1/12 + 1/12 + 1/12 + 1/12 + 1/12

3/12 + 2/12

Etc.

400

4/6 + 4/6

1 2/6

400

4 2/8  -  3 5/8

5/8

400

5,364 + 8,499 =

13,863 

400

923 - 762 = 

161

600

Decompose this fraction as a sum of three fractions.

8/10

3/10 + 2/10 + 3/10

1/10 + 2/10 + 5/10

Etc.

600

2 3/4  +  4  2/4

7  1/4

600

6 1/5  -  2 4/5

3 2/5

600

5,145 + 11,212

16,357 

600

32,465 - 12,351 = 

20,114

800

Decompose this fraction two different ways.

2  3/4

2 + 3/4

4/4 + 4/4 + 3/4

Etc.

800

2/3  +  2/3  + 1/3

1  2/3

800

8 -  2  4/5

5 1/5

800

16,357 + 9,857=

26,214 

800

Stacy read 473 pages and John read 387. 

How many more pages did Stacy read compared to John?

86

1000

Decompose this fraction into the sum of a whole and fractional amount.

12/5

2 + 2/5

1000

5 1/2 + 7 + 3 1/2

16

1000

4  2/3  -  13/3

1/3

1000

Some people own 2 houses. If one house costs $294,122 and another house is $429,233. How much did they spend on houses all together? 

$723,355 

1000

It costs $412,912 to buy a house. If I paid $282,192 how much would I have left over? 

130,720