The mixed number 257 3/7 written as an improper fraction is 1802/7
To turn the mixed number 257 3/7 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 257 × 7 = 1799.
After that, add the result to the numerator of the fractional part: 1799 + 3 = 1802.
Next, Write the sum of the previous step on the original denominator: 1802/7.
This means that 257 3/7, as an improper fraction, equals 1802/7.
See also: 257 3/7 as a decimal