The mixed number 77 40/10 written as an improper fraction is 810/10
To turn the mixed number 77 40/10 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 77 × 10 = 770.
After that, add the result to the numerator of the fractional part: 770 + 40 = 810.
Next, Write the sum of the previous step on the original denominator: 810/10.
This means that 77 40/10, as an improper fraction, equals 810/10.
See also: 77 40/10 as a decimal