3/21 Simplified

The fraction 3/21 written in its simplest form.

3/21 in simplest form

1/7

= 0.142857 as a decimal · 14.2857% as a percentage

How it works

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

So 3/21 = 1/7, which cannot be reduced further because 1 and 7 share no common factor other than 1.

3/21 = 1/7 = 2/14 = 3/21 = 4/28 — all equal to 0.142857.

The fraction calculator adds, subtracts, multiplies, divides and simplifies any fractions.

What is 3/21 in simplest form?+

3/21 simplifies to 1/7. Both the numerator and denominator share a greatest common factor of 3, and dividing each by 3 gives 1/7.

How do you simplify 3/21?+

Find the greatest common factor (GCF) of 3 and 21, which is 3, then divide the top and bottom by it: 3 ÷ 3 = 1 and 21 ÷ 3 = 7, giving 1/7.