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To add or subtract fractions, they must have the same denominator. If they do not, make the least common multiple of all of the denominators the new denominator. After adding or subtracting, reduce your answer.
When giving the fractions like denominators, whatever number you multiply the old denominator of a fraction by, you must also multiply it by the numerator.

How to add fractions that have different denominators | Adding and ...


Adding and subtracting fractions with unlike denominators. Adding fractions with denominators of 10 and 100 · Adding fractions with 10 and 100 as ...

Adding fractions with unlike denominators | Khan Academy


Practice adding fractions that have different denominators.

Fractions - Cool math Pre-Algebra Help Lessons - Adding& ...


This prealgebra lesson explains how to add and subtract fractions when the denominators are different.

Like many other topics in math, there is usually more than one method to get to the desired results. Adding fractions and finding common demoninators is merely another example of this. Multiplying denominators to find common denominators. More »
By Deb Russell, About.com Guide

Adding Fractions With Different Denominators - Help With Fractions


Nov 3, 2014 ... Master this simple trick for adding fractions with different or unlike denominators.

IXL - Add fractions with unlike denominators (5th grade math practice)


Fun math practice! Improve your skills with free problems in 'Add fractions with unlike denominators' and thousands of other practice lessons.

www.ask.com/youtube?q=Adding Fractions with Unlike Denominators&v=lKiR4BBt6TE
Sep 21, 2011 ... Add Fractions! Printable worksheet here: https://docs.google.com/document/d/17t -zMu-Y23tlErj9vzD7KKITwLHNyyuCVdXkdZdxgtI/edit This ...

Math Video - Adding Fractions with Different Denominators


Math video teaches students how to add fractions with different denominators.

Add and subtract fractions with unlike denominators - LearnZillion


In this lesson you will learn how to add and subtract fractions with unlike denominators.

Popular Q&A
Q: Adding fractions with unlike denominators?
A: 16 and 8 both go into 16, so leave the 3/16 alone and multiply top and bottom of 7/8 by 2 getting 14/16. Then add the tops: 17/16. If you need to, change it to ... Read More »
Source: answers.yahoo.com
Q: Adding fractions with unlike denominators?
A: When adding fractions, they must have the same denominator (number on the bottom). First you must find the least common denominator. 3/16 = 3 / (2*2*2*2) 7/8 = ... Read More »
Source: answers.yahoo.com
Q: What is adding fractions with unlike denominators.
A: I'm really sorry I've done this before but i just totally am thinking the same exact thing! Read More »
Source: www.answers.com
Q: What is the rule for adding fractions with unlike denominators.
A: You convert them, using equivalent fractions, so that they have the same denominator - a common multiple of the deniminators. Then the denominator of the sum is... Read More »
Source: www.answers.com
Q: What is a written definition of adding fractions with unlike deno...
A: To add fractions with different denominators, rewrite the fractions using the LCD, add the numerators, and then simplify. ! Read More »
Source: www.chacha.com