Question

Each student needs 2/5 of a cup of playdough to build a house. How many cups of playdough are needed for 9 students

Answer 1

2/5 x 9 = 2/5 x 9/1
18/5 = 3 and 3/5

Answer 2

I2/5 times 9 = 2/5 x 9/1 = 18/5 = 3.6