The mixed number 257 391/1000 written as an improper fraction is 257391/1000
To turn the mixed number 257 391/1000 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 257 × 1000 = 257000.
After that, add the result to the numerator of the fractional part: 257000 + 391 = 257391.
Next, Write the sum of the previous step on the original denominator: 257391/1000.
This means that 257 391/1000, as an improper fraction, equals 257391/1000.
See also: 257 391/1000 as a decimal