40% as a Fraction and a Decimal
Convert 40% to a fraction in simplest form and to a decimal.
40% as a fraction
2/5
40% as a decimal
0.4
How it works
“Percent” means “out of 100”, so 40% is 40/100.
- As a fraction: 40/100 = 40/100 = 2/5 after dividing by the greatest common factor.
- As a decimal: 40 ÷ 100 = 0.4.
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Frequently asked questions
What is 40% as a fraction?+
40% as a fraction is 2/5 in simplest form. A percent means "out of 100", so 40% = 40/100, which reduces to 2/5.
What is 40% as a decimal?+
40% as a decimal is 0.4. To convert a percent to a decimal, divide by 100 (move the decimal point two places left).