Vocabulary
Steps
Adding/Subtracting
Multiplying
Dividing
100

The top number of a fraction

What is a numerator?

100

You need to do this before adding/subtracting fractions.

What is finding a common denominator?

100

8/9 - 3/10 =

53/90

100

(1/4)(3/5)

3/20

100

1/5 ÷ 7/4

4/35

200

The bottom number of a fraction

What is a denominator?
200
After finding the equivalent fractions, you need to add or subtract only this part.

What is adding/subtracting the numerator?

200

12/20 + 10/15 =

1  4/15

200

(4/7)(7/9)

4/9

200

3/2 ÷ 10/7

21/10 or 2 1/10

300

This is the operation that the fraction line represents.

What is division?

300

These are the three steps needed to divide fractions.

What is keep-change-flip?

300

8/20 - 3/15 =

1/5

300

(-1 1/4)(9). Leave your answer as a mixed number.

-11 1/4

300

(-1/2)÷(1 1/4)

-2/5

400

You multiply by this to create equivalent fractions.

What is a form of one?

400

You do this step, if possible, at the end of each problem involving fraction operations.

What is simplifying?

400

(9 1/3) - (4 1/2).  Leave your answer as a mixed number.

4 5/6

400

(-1 5/7)(-2 1/2).  Leave your answer as a mixed number.

4 2/7

400

(3 5/9) ÷ 3. Leave answer as a mixed number.

1 5/27

500

Fractions that have the same value even though they look different.

What are equivalent fractions?

500

You convert improper fractions into this form.

What is a mixed fraction?

500

(1 2/5)+(3 3/4).  Leave your answer as a mixed number.

5 3/20

500

(-2 2/3)(4 1/10).  Leave your answer as a mixed number.

-10 14/15

500

(-3 7/10)÷(2 1/4).  Leave answer as a mixed number.

-1 29/45