42% as a Fraction and a Decimal
Convert 42% to a fraction in simplest form and to a decimal.
42% as a fraction
21/50
42% as a decimal
0.42
How it works
“Percent” means “out of 100”, so 42% is 42/100.
- As a fraction: 42/100 = 42/100 = 21/50 after dividing by the greatest common factor.
- As a decimal: 42 ÷ 100 = 0.42.
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Frequently asked questions
What is 42% as a fraction?+
42% as a fraction is 21/50 in simplest form. A percent means "out of 100", so 42% = 42/100, which reduces to 21/50.
What is 42% as a decimal?+
42% as a decimal is 0.42. To convert a percent to a decimal, divide by 100 (move the decimal point two places left).