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!

Support your knowledge of this topic by looking at these guides on Lowest Common Multiple and equivalent fractions. Look at the examples below on how to add and subtract fractions and mixed numbers.

Subtract the integers and subtract the fractions. When the fraction to be subtracted is bigger than the first fraction, change the mixed numbers to improper fractions first then do the subtraction.

In adding and subtracting fractions with unlike denominators, you have to get a least common denominator which is exactly like the least common multiple it just so happens to be in the denominator.

Fractions, often perceived as daunting, become manageable with the right approach. Addition and subtraction require finding a common denominator, while multiplication involves directly multiplying ...

Fractions are a foundational piece for tackling mathematics at all levels of schooling. Students need to understand how two numbers interact with each other as numerators and denominators, as ratios, ...