With Mama, I exercised a total of 7 miles in one night while Daddy settled down my sister and got her to sleep. I noticed that one lap on the treadmill was 1/4 mile and I knew that this meant I needed to do four laps to equal one whole mile. 1/4 + 1/4 is 2/4 or 1/2. Then another 1/4 is 3/4 and another after that is 4/4, which is one whole.