Honestly, once you remember one very important rule, the rest of adding and subtracting decimals is a snap. That rule is to be sure and align your decimals first. In this tutorial, you'll get a chance to practice this with us and become fluent adding decimals. We'll tackle subtracting decimals in the next tutorial.
1540_Adding_decimals_9_087_15_31.html
All video content by Khan Academy is under their license: CC by NC SA
Website created using Khan Academy Static Downloader