Fraction Operations

Vocab

100

Name for the top number of a fraction?

What is the numerator?

200

Two fractions that represent the same value (like 1/2 and 24) are called _______________

equivalent

300

One strategy to divide fractions is: 

common denominator OR multiply by the reciprocal

400

When you add fractions, you must have a ________________       _________________ (2 words)

What is a common denominator?

500

To find a common denominator, you are looking for the ________________     _______________    ________________   of the two existing denominators. (3 words)

What is least common multiple?

Adding/Subtracting Unlike Fractions

100

2/3 + 1/4

What is 11/12?

200

4/5 + 1/3

What is

17/15 OR 1 2/15

300

50/20 - 4/3

What is

7/6 OR 1 1/6

400

3/2 - 1/4

What is

5/4 OR 1 1/4

500

5/8 - 11/20

What is

3/40

Multiplying Fractions

100

3  x  1/2

What is

1 1/2 or 3/2

200

4  x  3/9

What is

1 1/3 or 12/9

300

4/5  x 7/12

What is

28/60 or 7/15

400

3/5  x  4/9

What is

12/45 or 4/15

500

 8/5  x   2/7

What is

16/35

Dividing Fractions

100

1/4

divided by 5

What is

1/20

200

6 divided by

1/7

What is

42

300

1/3 divide 4/5

.

What is

5/12

400

7/8 divide 9/10

.

What is

70/72 OR 35/36

500

3/4 divide 4/5

What is

15/16

Mixed numbers and improper fractions

100

Change 5   1/2 into an improper fraction

What is 11/2?

200

Change 7   2/5 into an improper fraction

What is 37/5?

300

Change 25/6 

What is 4  1/6?

400

Express the following mixed number as an improper fraction: 4  3/25.

What is 103/25?

500

230/20 as a mixed number in simplest form

What is 11  1/2?