28.5

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.

28510

Reduce the fractional part of the mixed number.

2812

A mixed number is an addition of its whole and fractional parts.

28+12

Add 28 and 12.

To write 28 as a fraction with a common denominator, multiply by 22.

28⋅22+12

Combine 28 and 22.

28⋅22+12

Combine the numerators over the common denominator.

28⋅2+12

Simplify the numerator.

Multiply 28 by 2.

56+12

Add 56 and 1.

572

572

572

572

Convert to a Fraction 28.5