The mixed number 31 4/7 written as an improper fraction is 221/7
To turn the mixed number 31 4/7 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 31 × 7 = 217.
After that, add the result to the numerator of the fractional part: 217 + 4 = 221.
Next, Write the sum of the previous step on the original denominator: 221/7.
This means that 31 4/7, as an improper fraction, equals 221/7.
See also: 31 4/7 as a decimal