I could have used an equal sign, but that wouldn’t have made much sense.” Tomlinson chose @—“probably saving it from going the way of the ‘cent’ sign on computer keyboards,” he says.

Instead of writing it as a fraction, we use the per cent symbol (%). Step 1: Convert ⅖ into an equivalent fraction with a denominator of 100. Step 2: Place the numerator 40 next to the per cent ...