Find the ratio of the first quantity to the second.
15 minutes, 1 hour

Explanation

To find the ratio of the first quantity (15 minutes) to the second quantity (1 hour), we can follow these steps:

### Step 1: Convert the quantities to the same unit
We have 15 minutes and 1 hour. To compare them directly, we need to convert 1 hour into minutes.

**Conversion:**
1 hour = 60 minutes

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