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Simplifying 18/3

How to reduce 18/3 to its simplest form

To simplify 18/3 we have to divide both numerator (18) and denominator (3) by their greatest common factor (GCF). In other words, writing a fraction in its simplest form means that both numerator and denominator can no longer be divided by the same whole number other than 1.

Result simplifying 18/3

18
3
=
6
Greatest Common Factor (GCF): 3

Show steps

Simplifying 18/3 step by step

18
3
1
Find the greatest common factor of 18 and 3
To simplify a fraction, look for the greatest common factor of the numerator and the denominator. The greatest common divisor of 18 and the 3 is 3. We therefore divide the numerator and denominator by 3.
18 / 3
3 / 3
=
6
1
2
If your fraction is improper, simplify it as a mixed number.
An improper fraction is a fraction that has a larger numerator than denominator. To simplify an improper fraction as a mixed number (a number that combines a whole number and a fraction) you have to determine how many times the denominator fits the numerator. In this case the denominator (1) fits the numerator (6) 6 times. The leaves us with a remainder of 0. Therefore we can rewrite the fraction like this:
6
1
=
(6 x 1) + 0
1
=
6

Simplify fractions

If a fraction is not yet in its simplest form, you can rewrite (reduce) it into a fraction where numerator and denominator are as small as possible. Try our simplified fraction calculator to simplify your fractions and find the greatest common factor (GCF).

Simplify fraction calculator

A fraction is irreducible (in its simplest form) when the numerator and denominator have no common factors other than 1. In that case the greatest common factor is 1.