Adding and Subtracting Decimals

Learn all about adding decimals and subtracting decimals in this free basic math lesson.

Adding decimal numbers

Now that we know how to set up problems with decimals, let's practice by solving a few. First, we'll work on adding. If you feel comfortable adding larger numbers, you're ready to add decimal numbers.

Click through the slideshow to learn how to add decimals.

Try This!

Try solving these problems to practice adding decimal numbers.

12.20 + 12.20 =
5.40 + 45.80 =
3.85 + 9.67 =