45/72 Simplified

The fraction 45/72 written in its simplest form.

45/72 in simplest form
5/8
= 0.625 as a decimal · 62.5% 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 45 and 72 = 9
  • 45 ÷ 9 = 5
  • 72 ÷ 9 = 8

So 45/72 = 5/8, which cannot be reduced further because 5 and 8 share no common factor other than 1.

Equivalent fractions

45/72 = 5/8 = 10/16 = 15/24 = 20/32 — all equal to 0.625.

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Frequently asked questions

What is 45/72 in simplest form?+

45/72 simplifies to 5/8. Both the numerator and denominator share a greatest common factor of 9, and dividing each by 9 gives 5/8.

How do you simplify 45/72?+

Find the greatest common factor (GCF) of 45 and 72, which is 9, then divide the top and bottom by it: 45 ÷ 9 = 5 and 72 ÷ 9 = 8, giving 5/8.