5/15 Simplified

The fraction 5/15 written in its simplest form.

5/15 in simplest form
1/3
= 0.333333 as a decimal · 33.3333% as a percentage
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How it works

To reduce a fraction, divide the numerator and denominator by their greatest common factor (GCF).

  • GCF of 5 and 15 = 5
  • 5 ÷ 5 = 1
  • 15 ÷ 5 = 3

So 5/15 = 1/3, which cannot be reduced further because 1 and 3 share no common factor other than 1.

Equivalent fractions

5/15 = 1/3 = 2/6 = 3/9 = 4/12 — all equal to 0.333333.

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Frequently asked questions

What is 5/15 in simplest form?+

5/15 simplifies to 1/3. Both the numerator and denominator share a greatest common factor of 5, and dividing each by 5 gives 1/3.

How do you simplify 5/15?+

Find the greatest common factor (GCF) of 5 and 15, which is 5, then divide the top and bottom by it: 5 ÷ 5 = 1 and 15 ÷ 5 = 3, giving 1/3.