21/24 Simplified
The fraction 21/24 written in its simplest form.
21/24 in simplest form
7/8
= 0.875 as a decimal · 87.5% as a percentage
How it works
To reduce a fraction, divide the numerator and denominator by their greatest common factor (GCF).
- GCF of 21 and 24 = 3
- 21 ÷ 3 = 7
- 24 ÷ 3 = 8
So 21/24 = 7/8, which cannot be reduced further because 7 and 8 share no common factor other than 1.
Equivalent fractions
21/24 = 7/8 = 14/16 = 21/24 = 28/32 — all equal to 0.875.
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Frequently asked questions
What is 21/24 in simplest form?+
21/24 simplifies to 7/8. Both the numerator and denominator share a greatest common factor of 3, and dividing each by 3 gives 7/8.
How do you simplify 21/24?+
Find the greatest common factor (GCF) of 21 and 24, which is 3, then divide the top and bottom by it: 21 ÷ 3 = 7 and 24 ÷ 3 = 8, giving 7/8.