What is 4.2 as a fraction?
4.2==
4.2 as a fraction is 21/5, or 4 1/5 as a mixed number in simplest form. As a percent it is 420%.
Improper fraction 21/5Mixed number 4 1/5Percent 420%Before simplifying 42/10
How to convert 4.2 to a fraction
- There is 1 digit after the decimal point, so the last digit is in the tenths place. Write the digits over 10.
4.2 = 42/10 - Simplify by dividing top and bottom by the GCF, 2.
42/10 = 21/5 - As a mixed number:
4 1/5
Fractions equal to 21/5
42/10 = 63/15 = 84/20 = 105/25 = 210/50 = 21/5. All are equivalent; 21/5 is the one in lowest terms.
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Questions people ask
What is 4.2 as a fraction?
4.2 as a fraction is 21/5 (4 1/5 as a mixed number). Written over 10 it is 42/10, which simplifies to 21/5.
What is 4.2 as a mixed number?
4 1/5. The whole number part is 4, and the decimal part .2 equals 1/5.
What is 4.2 as a percent?
4.2 × 100 = 420%.