How to Add or Subtract Fractions with Different Denominators | 7/12+5/18 | Part 3 of 6 | Minute Math

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In this video we learn how to add or subtract fractions with different denominators. We add or subtract (simplify) 7/12+5/18.

The steps we follow to add or subtract fractions with different denominators are:
1) Find the LCD.
2) Convert each fraction to an equivalent form with the LCD as the denominator.
3) Add or subtract the fractions.
4) Write the result in simplified form.

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CC Licensed Content, Original

Revision and Adaptation. Provided by: Minute Math. License: CC BY 4.0
CC Licensed Content, Shared Previously

Marecek, L., Anthony-Smith, M., & Mathis, A. H. (2020). Use the Language of Algebra. In Prealgebra 2e. OpenStax. License: CC BY 4.0. Access for free at

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