Steps to Subtracting Mixed Fractions with Regrouping Mixed fractions, also known as mixed numbers, consist of a whole number and a fraction. When you subtract two mixed numbers, you may have to regroup to work the problem. This study guide will help you work these types of problems.
Rational Numbers: Rules and Practice Rational numbers are those that can be written as a fraction, or ratio, with a denominator that is not zero (0). Once you understand what a rational number is, learning how to add and subtract them is easy! You may already know how. Read on for an explanation and review.