Question

Last Wednesday it snowed 3 1/3 cm. On Sunday it snowed 2 1/5 cm. On which day did it snow more? By how many centimetres?

Answer 1

well, even ignoring the fractional parts, 3 > 2 right?
and then 3 1/3 - 2 1/5 = 3 5/15 - 2 3/15 = ____