9/15 Simplified

The fraction 9/15 written in its simplest form.

9/15 in simplest form
3/5
= 0.6 as a decimal · 60% 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 9 and 15 = 3
  • 9 ÷ 3 = 3
  • 15 ÷ 3 = 5

So 9/15 = 3/5, which cannot be reduced further because 3 and 5 share no common factor other than 1.

Equivalent fractions

9/15 = 3/5 = 6/10 = 9/15 = 12/20 — all equal to 0.6.

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Frequently asked questions

What is 9/15 in simplest form?+

9/15 simplifies to 3/5. Both the numerator and denominator share a greatest common factor of 3, and dividing each by 3 gives 3/5.

How do you simplify 9/15?+

Find the greatest common factor (GCF) of 9 and 15, which is 3, then divide the top and bottom by it: 9 ÷ 3 = 3 and 15 ÷ 3 = 5, giving 3/5.