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

If I understand your question, you're wondering how to **add** something like 7/9 + 3
. To do this we simply view the whole number (in this case 3) as itself divided ...

www.khanacademy.org/math/arithmetic/fraction-arithmetic/arith-review-add-sub-fractions/e/adding_fractions

Practice **adding fractions** that have different denominators.

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 ...

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

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

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

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

www.calculatorsoup.com/calculators/math/adding-fractions-calculator.php

Calculator for **adding** and subtracting **fractions** with like or unlike denominators.
The **fraction** calculator can **add** or subtract 2 **fractions**, up to 10 **fractions**, and ...