20.57
Convert the decimal number to a fraction by placing the decimal number over a power of ten. Since there are 2 numbers to the right of the decimal point, place the decimal number over 102 (100). Next, add the whole number to the left of the decimal.
2057100
A mixed number is an addition of its whole and fractional parts.
20+57100
Add 20 and 57100.
To write 20 as a fraction with a common denominator, multiply by 100100.
20⋅100100+57100
Combine 20 and 100100.
20⋅100100+57100
Combine the numerators over the common denominator.
20⋅100+57100
Simplify the numerator.
Multiply 20 by 100.
2000+57100
Add 2000 and 57.
2057100
2057100
2057100
2057100
Convert to a Fraction 20.57