Result: 0.4 inches is written as the fraction 2/5 inch or 13/32 inch (fractions with the denominator 2ⁿ).
The answer is 2/5 inch or approximated as 13/32 inch.
Did you know that fractional inches usually have denominators that are powers of 2 (such as 2, 4, 8, 16, 32, 64)?
To convert 0.4 inches to a fraction, follow these steps:
First, write out the decimal number 0.4 as a fraction with 4 as the numerator and 10 as the denominator, since there are 1 digits after the decimal point.
Then, simplify the fraction by dividing both the numerator and denominator by their greatest common divisor (GCD). In this case, the GCD of 4 and 10 is 2.So, divide both the numerator and denominator by 2:
4 ÷ 2 = 2
10 ÷ 2 = 5
Thus, 0.4 inches can be written as the fraction 2/5 inch (about 13/32).