www.khanacademy.org/math/arithmetic/fraction-arithmetic/arith-review-add-sub-fractions/v/adding-small-fractions-with-unlike-denominators

We find the least common multiple of the denominators: To do that, we could try the divisibility of the multiples of 88 by 76 - 88 isn't divisible by 76, 88 * 2 = 176 isn't divisible by 76... But since the numbers 76 and 88 are relatively large, this method would take a lot of time. Instead, we find the LCM by the prime factorization of ...

www.mathsisfun.com/fractions_addition.html

There are 3 Simple Steps to **add fractions**: Step 1: Make sure the bottom numbers
(the denominators) are the same; Step 2: Add the top numbers (the numerators),
put the answer over the denominator; Step 3: Simplify the fraction (if needed) ...

www.coolmath.com/prealgebra/01-fractions/fractions-12-adding-subtracting-different-denominators-01

How to **Add** and Subtract **Fractions** When the Denominators are Different. This is
a bit tricky, but you'll think it's easy once you get used to it! Let's try this: 1/2 + 1/3.
The main rule of this game is that we can't do anything until the denominators are
the same! We need to find something called the least common denominator ...

www.helpingwithmath.com/by_subject/fractions/fra_adding.htm

Methods and tips showing how to **add fractions** with worksheets for practice.

www.math.com/school/subject1/lessons/S1U4L3GL.html

Like **fractions** are **fractions** with the same denominator. You can **add** and subtract
like **fractions** easily - simply **add** or subtract the numerators and write the sum
over the common denominator. Before you can **add** or subtract **fractions** with
different denominators, you must first find equivalent **fractions** with the same ...

www.webmath.com/addfract.html

This page will show you how to **add** two **fractions** together. Fill in one problem
type, that matches the **fraction** addition problem you are trying to do, then click "
**Add**." **Add** two **fractions**, **Add** a mixed number and a **fraction**, **Add** two mixed
numbers. +. +. +. Quick! I need help with: Choose Math Help Item ... Calculus,
Derivatives ...

www.ixl.com/math/grade-5/add-fractions-with-unlike-denominators

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

www.gcflearnfree.org/fractions/adding-and-subtracting-fractions/1

Free Tutorial: When working with **fractions adding** and subtracting can be
confusing. Get help **adding** and subtracting **fractions** here.