Numerator vs. Denominator
Adding Fraction
Subtracting Fractions
Changing Denominators
Making like fractions
100

What is the numerator in the fraction?

The numerator is the number on the top of the fraction that represents how many pieces of the whole are being used.

100

1/4 + 3/4 

4/4 or 1

100

3/4 - 1/4

2/4

100

Change 1/3 so it has a denominator of 6

2/6

100

Make like fractions: 1/3 and 1/4

4/12 and 3/12

200

What is the denominator of a fraction?

The denominator of the fraction is the bottom number that represents the number of pieces I have in total or the number of pieces my object is partitioned into. 

200
2/4 + 3/4 + 1/2

7/4 or 1 3/4

200

4/4 - 1/2

2/4

200

Change 1/5 so it has a denominator of 15

3/15

200

Make like fractions: 2/8 and 1/9

18/72 and 8/72

300

What do you call a mix of fractions and whole numbers? Example: 5 1/2

Mixed Number

300

1/3 + 1/4

7/12

300

3/4 - 1/6

7/12

300

Change 4/6 so that it has a denominator of 36

24/36

300

Make like fractions: 1/2 and 1/4

2/4 and 1/4

400

1/5 + 2/3 + 1/2

41/30 or 1 11/30

400

2 1/5 - 2

1/5

500

2  3/4 + 3   1/2

5 5/4 or 6 1/4

500

3 - 2 1/5

4/5