Why do the denominators need to be the same when adding or subtracting fractions? | Math Plus

In this video we explain WHY you need to have common denominators when adding and subtracting fractions. We show you WHY it doesn't work when you don't change them. We use visual models to explain. Free Academic Guide: https://simplyschooled.org/academic-g... Great for Homeschoolers FRACTIONS: Fractions Pizza: https://amzn.to/3Kh2OFt Fraction Cards: https://amzn.to/4bCG9iX Fractions GR 1 – 2 Workbook: https://amzn.to/3V0LSs1 Magnetic Fraction pieces: https://amzn.to/4enBBPv Understanding Factors and multiples: https://amzn.to/3Ijwkwu Equivalent fractions: https://amzn.to/3KGy7Kl Fraction Story Problems: https://amzn.to/4cbQjaR Addition and Subtraction Fractions: https://amzn.to/4b1GUkH 50 days of Fractions: https://amzn.to/4bYKv43 Magnetic Fraction Strips: https://amzn.to/4l4QUPO Math Plus provides step-by-step instruction so you can understand math. Brought to you by 2 Certified Teachers and Homeschool Moms! Not only do we provide a lesson on "how to" but a follow up video for practice! Use these for your own quick review, for your students in a classroom or for Homeschooling students! Make sure you access the Channel page under playlists where we provide sequential lesson instruction in various content. Subscribe to our channel for weekly free math instruction!    / @mathpluswheremathmakessense   Visit our Website: https://SimplySchooled.com DISCLAIMER: Links included in this description might be affiliate links. If you purchase a product or service with the links that I provide we may receive a small commission. There is no additional charge to you! Thank you for supporting our channel so we can continue to provide you with free content each week. #addfractions #unlikedenominators #fractions