Lydia wrote 4 1/2 pages of her science report in one hour. what was her writing rate in pages per minute?

To solve this question, I first converted one hour into minutes. (60 minutes)

Then I divided 4 1/2 into 60. As a decimal, the answer if 0.075. If you convert that into a lowest terms fraction, you get 3/40.

Subtracting is the opposite of adding