A piece of cartolina is 60 cm by 48 cm.What is the least number of squares that can be cut from it with no material wasted?

2 answers

Factor both dimensions.

60 = 2 * 2 * 3 * 5

48 = 2 * 2 * 3 * 2 * 2

The squares can be 2 by 2, 3 by 3 or 4 by 4. Which gives the "least number"?
4 by 4