The mixed number 28 21/100 written as an improper fraction is 2821/100
To turn the mixed number 28 21/100 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 28 × 100 = 2800.
After that, add the result to the numerator of the fractional part: 2800 + 21 = 2821.
Next, Write the sum of the previous step on the original denominator: 2821/100.
This means that 28 21/100, as an improper fraction, equals 2821/100.
See also: 28 21/100 as a decimal