77.5
Convert the decimal number to a fraction by placing the decimal number over a power of ten. Since there is 1 number to the right of the decimal point, place the decimal number over 101 (10). Next, add the whole number to the left of the decimal.
77510
Reduce the fractional part of the mixed number.
7712
A mixed number is an addition of its whole and fractional parts.
77+12
Add 77 and 12.
To write 77 as a fraction with a common denominator, multiply by 22.
77⋅22+12
Combine 77 and 22.
77⋅22+12
Combine the numerators over the common denominator.
77⋅2+12
Simplify the numerator.
Multiply 77 by 2.
154+12
Add 154 and 1.
1552
1552
1552
1552
Convert to a Fraction 77.5