# Fraction

Written by Jerry Ratzlaff on . Posted in Mathematics

A fraction is part of a counting number.

• $$\; 3/8$$
• Numerator -Top number in a fraction.  $$\; 3$$
• Denominator - Bottom number in a fraction.  $$\; 8$$

Common Fraction - Both top and bottom are integers.

• $$\; 1/8\;$$ and $$\;3/4 \;$$

Common Denominator - Two or more fractions have the same denominator.

• $$\; 3/4\;+\;1/4 \;$$

Rational Number - Numbers expressed as a ratio of two numbers.

• $$\; 3/4, \; -1/8 \;$$