How many pieces of rectangular paper should be used to make a square with a rectangle 12 cm long and 9 cm wide?
The least common multiple of 12 and 9 is 36
(36 X36) / (12 x 9) = 12 sheets
The least common multiple of 12 and 9 is 36
(36 X36) / (12 x 9) = 12 sheets