Improper fractions are those in which the numerator (top number) is larger than the denominator (bottom number). According to Math is Fun, improper fractions are better for use in mathematical formulae, but mixed fractio... More » Math Fractions & Percentages

A whole number and a mixed number are simplified by first expressing the sum as a fraction with the same denominator as the proper fraction portion of the mixed number, and then simplifying that fraction if possible. The... More »

To divide mixed fractions, begin by changing each number to an improper fraction. This makes it easier to multiply the reciprocal of the divisor and to simplify when possible, then put the answer in its lowest terms. It ... More » Math Fractions & Percentages

To simplify a fraction, divide both the top number, the numerator, and the bottom number, the denominator, by the greatest common factor. Simplifying a fraction is reducing it to its lowest form. More »

In fractional math, a numerator is the top number in a fraction, and the denominator is the bottom number. In the fraction one-half, for instance, one is the numerator, and two is the denominator. More »

A unit fraction is a fraction where the top number, known as the numerator, is one, and the bottom number, known as the denominator, is any positive number. Additionally, the denominator must be an integer, or round numb... More »

According to Math is Fun, the meaning of simplest form is the numerator, or the top number of a fraction, and the denominator, or the bottom number of a fraction, cannot be reduced any further while still remaining a who... More » Math Fractions & Percentages