Question

A piece of wood that is 3/4 meter long is being cut into smaller pieces that are each 1/10 meter long. Which expressions is one of that steps in determining how many pieces can be cut?

Answer 1

Convert 3/4 and 1/10 to have the same denominator. You'll get 15/20 and 2/20.
Divide 15 by 2 and you get 7 with a remainder of 1, which means that there can be 7 pieces cut with 1/10 meter of wood left.