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 ...

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

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 ...

Why do you need to find the lowest common denominator when adding or subtracting fractions but not when multiplying them? And why do you have to invert the second fraction and multiply when dividing?

One of the hardest math skills for students to learn is fractions. This study used a multiple probe across participants to evaluate the effectiveness of a mnemonic strategy called LAP Fractions on six ...