Fractions

Terms

100

The top number in a fraction (part)

Numerator

200

The bottom number in a fraction (whole)

Denominator

300

A fraction where the numerator is smaller than the denominator

6/8

Proper Fraction

400

A fraction where the numerator is BIGGER than the denominator

12/5

Improper Fraction

500

A fraction that is made up of a whole number and a proper fraction.

2 1/2

Mixed Number

Equivalent Fractions

100

1/2 = ?/4

1/2 = 2/4

200

1/3 = ?/9

1/3 = 3/9

300

5/6 = ?/30

5/6 = 25/30

400

3/4 = ?/16

3/4 = 12/16

500

1/7 = ?/21

1/7 = 3/21

LCD

100

Find the least common denominator (LCD) of 1/2 and 2/3

The least common denominator is 6.

200

Find the least common denominator (LCD) of 2/3 and 3/4

The least common denominator is 12.

300

Find the least common denominator (LCD) of 1/5 and 1/2

The least common denominator is 10.

400

Find the least common denominator (LCD) of 1/4 and 5/6

The least common denominator is 12.

500

Find the least common denominator (LCD) of 5/6 and 3/8

The least common denominator is 24.

Adding Fractions

100

3/6 + 2/6 =

5/6

200

1/3 + 1/9 =

4/9

300

5/8 + 1/4 =

7/8

400

1/6 +1/4 =

5/12

500

1/5 + 2/3 = 

13/15

Simplifying Fractions

100

Express 2/4 in simplest form.

1/2

200

Express 5/15 in simplest form.

1/3

300

Express 4/16 in simplest form.

1/4

400

Express 8/8 in simplest form.

1

500

Express the sum of 8/12 + 1/12 in simplest form. 

3/4