Add Fractions with Like Denominators
Subtract Fractions with like Denominators
Least Common Denominator
Add Fractions with Unlike Denominators
Subtract Fractions with Unlike Denominators
100

Add the Fractions:

1/6 + 4/6


5/6

100

Subtract the Fractions. 

2/3 - 1/3


1/3

100

Find the least common denominator:

2/4+1/2


The least common denominator is 4.

100

Add the Fractions:

1/2+1/4


3/4

100

Subtract the fractions:

3/4-1/2


1/4

200

Add the Fractions:

4/12 + 3/12


7/12

200

Subtract the Fractions:

6/7 - 4/7


 

2/7


200

Find a Common Denominator:

1/3 + 2/12 

Common Denominators Include:

12, 36

200

Add the Fractions:

1/5+5/10


7/10

200

Subtract the Fractions:

2/5-1/10


3/10

300

Add the Fractions. Simplify if needed.

2/6 + 2/6


2/3 

300

Subtract the Fractions:

10/12 - 3/12


7/12


300

Find the Common Denominator:

8/15 - 1/3

Common Denominators Include:

15, 30, 45

300

Add the Fractions:

1/2+4/10


9/10

300

Subtract the Fractions:

1/2-2/5


1/10

400

Add the Fractions. Simplify if needed.

3/4 + 2/4


1 1/4

400

Subtract the Fractions:

40/100-20/100


1/5


400

Find the Common Denominator:

6/7 - 1/2 =

Common Denominators Include:

14, 28, 42

400

Add the Fractions:

1/4+5/10


3/4


400

Subtract the Fractions:

5 - 1 1/4

3 3/4

500

Add the Fractions. Simplify if needed.

8/10 + 8/10


1 3/5


500

Subtract the Fractions:

87/100 - 55/100


8/25


500

Find the least common denominator:

5/9+2/7


The least common denominator is 63.

500

Add the Fractions:

4/5+1/2


1 3/10

500

Subtract the Fractions:

1/4-1/10


3/20