# Fractions

In Glogpedia

by henleyh
Last updated 5 years ago

Discipline:
Math
5   Fractionswhat are they and how do I use them?

ADDTo add fractions, you first get a common denominator (make the bottom numbers the same). Then you add the numerators.A common denominator is found by finding the least common multiple of the denominators.

SUBTRACTTo subtract fractions, you first get a common denominator (make the bottom numbers the same). Then you subtract the numerators.Before you add or subtract you have to make the mixed numbers into improper fractions.

Introduction to Fractions

By Heather Henley

Fun Videos

What is a fraction?A mathematical equation that represents part of a whole. The top number is the numerator and the bottom number is called the denominator. A fraction is expressed as division. For example, 1/2 is 1 divided by 2.

MultiplyTo multiply fractions you first change them into an improper fraction and then multiply across. DivideTo divide fractions you first change them into an improper fractions. You KEEP the first fraction, CHANGE division to multiplication, and FLIP the second fraction.

Fraction Games:Online Fraction GamesFraction Interactive GamesFraction Bars Online Fraction Help