Answer:Joey walked a total of 1/2 kilometer yesterday and 3/4 of a kilometer today. To find the total distance, we need to add these two distances. First, convert the fractions to have a common denominator: 1/2 is equivalent to 2/4. Adding 2/4 and 3/4 gives us 5/4 kilometers. Therefore, Joey has walked a total of 5/4 kilometers, which can also be expressed as 1 and 1/4 kilometers.Step-by-step explanation: