Simplest form answer

18/21 Simplified = 6/7

The simplified form of 18/21 is 6/7. The GCF is 3, the decimal is 0.8571..., and the percent is 85.7143...%.

Simplified

6/7

Decimal

0.8571...

Percent

85.7143...%

Step-by-step GCF reduction

1. Find the greatest common factor.

The GCF of 18 and 21 is 3.

2. Divide the numerator and denominator by the GCF.

18 ÷ 3 = 6

21 ÷ 3 = 7

3. Write the result.

18/21 simplified is 6/7.

Decimal equivalent

6/7 = 0.8571...

Percentage equivalent

6/7 = 85.7143...%

85.7143...%

The filled part represents 6/7 of one whole.

Use the main fraction simplifier for any numerator and denominator.