> it is much more likely to need to represent 0.30 than 1/3 Citation needed, because this isn't really true. Even if one concedes your (unspoken) idea that on

> it is much more likely to need to represent 0.30 than 1/3 Citation needed, because this isn't really true. Even if one concedes your (unspoken) idea that only financial transactions aren't "academic" (which also isn't true), in the real world financial transactions will typically include currency conversions, and those will have all sorts of weird non-decimal factors.