20.8
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.
20810
Reduce the fractional part of the mixed number.
2045
A mixed number is an addition of its whole and fractional parts.
20+45
Add 20 and 45.
To write 20 as a fraction with a common denominator, multiply by 55.
20⋅55+45
Combine 20 and 55.
20⋅55+45
Combine the numerators over the common denominator.
20⋅5+45
Simplify the numerator.
Multiply 20 by 5.
100+45
Add 100 and 4.
1045
1045
1045
1045
Convert to a Fraction 20.8