The mixed number 70 21/400 written as an improper fraction is 28021/400
To turn the mixed number 70 21/400 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 70 × 400 = 28000.
After that, add the result to the numerator of the fractional part: 28000 + 21 = 28021.
Next, Write the sum of the previous step on the original denominator: 28021/400.
This means that 70 21/400, as an improper fraction, equals 28021/400.
See also: 70 21/400 as a decimal