18/20 as a decimal

18/20 = 0.9

As a percent, 18/20 is 90%. The fraction simplifies to 9/10.

How to convert 18/20 to a decimal

A fraction is a division: divide the top number by the bottom number. 18 ÷ 20 = 0.9. This is a terminating decimal, so it stops after 1 digit.

Other fractions? Try the fraction calculator or the decimal to fraction converter.

Other fractions with denominator 20

FractionDecimalPercent
11/200.5555%
12/200.660%
13/200.6565%
14/200.770%
15/200.7575%
16/200.880%
17/200.8585%
19/200.9595%

Fractions with numerator 18

FractionDecimalPercent
18/190.947368421052631578947368421052631578…94.74%

All fraction to decimal answers · What is X% of Y?