Say what you want about reducible fractions but that's a pretty nonintuitive way to describe how you divvy up time. Weird to not use percentages or a common denominator...

I think it would be funny if the fractions summed to more than 1. Like the old joke: "the first 80% of the project takes 80% of the time, and the last 20% of the project also takes 80% of the time."