Simplest form answer

9/21 Simplified = 3/7

The simplified form of 9/21 is 3/7. The GCF is 3, the decimal is 0.4286..., and the percent is 42.8571...%.

Simplified

3/7

Decimal

0.4286...

Percent

42.8571...%

Step-by-step GCF reduction

1. Find the greatest common factor.

The GCF of 9 and 21 is 3.

2. Divide the numerator and denominator by the GCF.

9 ÷ 3 = 3

21 ÷ 3 = 7

3. Write the result.

9/21 simplified is 3/7.

Decimal equivalent

3/7 = 0.4286...

Percentage equivalent

3/7 = 42.8571...%

42.8571...%

The filled part represents 3/7 of one whole.

Use the main fraction simplifier for any numerator and denominator.