Learn about simplifying rational expressions. A rational expression is an expression in the form of a fraction. To simplify a ...

Divide both the numerator and denominator by their HCF. The fraction has now been simplified. Knowing multiplication and division facts may make simplifying fractions easier. The HCF of 4 and 10 is 2.

Most people break out in a cold sweat when they see fractions. There's something about those little lines and numbers stacked on top of each other that makes even confident adults feel like they're ...