Have you ever tried to add or subtract fractions that have different denominators? It’s tricky, right? Join Ms. Susanna Post in this lesson to learn how to solve these types of challenging problems!

Use visual fraction models to add and subtract fractions with the same denominators. Use visual fraction models to add and subtract fractions with the same denominators. Notice patterns in the ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those ...

Want to learn more? Sign up for a free five-week email mini-course full of research-backed strategies to help students make sense of math. Fractions are an important building block in students’ ...

In fourth grade, students focus most on using all four operations - addition, subtraction, multiplication, and division - to solve multi-step word problems involving multi-digit numbers. Fourth-grade ...

In this video I show you how to simplify trigonometric identities by adding fractions. I begin this lesson by reminding you ...

College Dean Dennis DeTurck often challenges math department colleagues to tell him when exactly he would need to know that 5/7 plus 3/5 equals 46/35. "The answer is never, except in a specifically ...

There are two rules to remember when adding or subtracting fractions. The fractions need to have a common denominator. This means the denominator has to be the same. You only need to add or subtract ...