Nick used the calculations below to find the product od the given fractions?
(3/5) (4/9) (- 1/2)
Step 1: (3) (4) (-1) / (5) (9) (-2)
Step 2: (-12) / (-90)
Step 3: 12/90
Step 4: 2/15
In which step did his error occur?
o Step 1
o Step 2
o Step 3
o Step 4
