The mixed number 21 48/10 written as an improper fraction is 258/10
To turn the mixed number 21 48/10 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 21 × 10 = 210.
After that, add the result to the numerator of the fractional part: 210 + 48 = 258.
Next, Write the sum of the previous step on the original denominator: 258/10.
This means that 21 48/10, as an improper fraction, equals 258/10.
See also: 21 48/10 as a decimal