21/35 Simplified
The fraction 21/35 written in its simplest form.
21/35 in simplest form
3/5
= 0.6 as a decimal · 60% 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 35 = 7
- 21 ÷ 7 = 3
- 35 ÷ 7 = 5
So 21/35 = 3/5, which cannot be reduced further because 3 and 5 share no common factor other than 1.
Equivalent fractions
21/35 = 3/5 = 6/10 = 9/15 = 12/20 — all equal to 0.6.
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Frequently asked questions
What is 21/35 in simplest form?+
21/35 simplifies to 3/5. Both the numerator and denominator share a greatest common factor of 7, and dividing each by 7 gives 3/5.
How do you simplify 21/35?+
Find the greatest common factor (GCF) of 21 and 35, which is 7, then divide the top and bottom by it: 21 ÷ 7 = 3 and 35 ÷ 7 = 5, giving 3/5.