The mixed number 6 9/80 written as an improper fraction is 489/80
To turn the mixed number 6 9/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 6 × 80 = 480.
After that, add the result to the numerator of the fractional part: 480 + 9 = 489.
Next, Write the sum of the previous step on the original denominator: 489/80.
This means that 6 9/80, as an improper fraction, equals 489/80.
See also: 6 9/80 as a decimal