Fraction Vocabulary
Common Denominator
100

What is the top number in a fraction called?

Numerator

100

1/2 + 1/2

2/2 or 1 

200

The bottom number in a fraction is called...

the denominator

200

2/3 - 1/3

1/3

300

Fractions that represent the same value, even though they look different are called...

equivalent fractions

300

12/15 + 3/15

15/15 or 1

400

A fraction with a numerator that is larger than the denominator is called...

an improper fraction

400

1 1/10 + 3/10

1 4/10 

500

When you reduce a fraction to its smallest form, it is called...

simplify

M
e
n
u