The mixed number 51 70/80 written as an improper fraction is 4150/80
To turn the mixed number 51 70/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 51 × 80 = 4080.
After that, add the result to the numerator of the fractional part: 4080 + 70 = 4150.
Next, Write the sum of the previous step on the original denominator: 4150/80.
This means that 51 70/80, as an improper fraction, equals 4150/80.
See also: 51 70/80 as a decimal