The mixed number 28 21/8 written as an improper fraction is 245/8
To turn the mixed number 28 21/8 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 28 × 8 = 224.
After that, add the result to the numerator of the fractional part: 224 + 21 = 245.
Next, Write the sum of the previous step on the original denominator: 245/8.
This means that 28 21/8, as an improper fraction, equals 245/8.
See also: 28 21/8 as a decimal