A rectangular sheet of paper is `(12) 1/2 cm` long and `(10) 2/3 cm` wide. Find its perimeter.

Explanation

To find the perimeter of a rectangular sheet of paper with given dimensions, we will follow these steps:

### Step-by-Step Solution:

1. **Convert Mixed Numbers to Improper Fractions:**
- The length of the rectangle is given as \( 12 \frac{1}{2} \) cm.
- To convert this to an improper fraction:
- Multiply the whole number (12) by the denominator (2): \( 12 \times 2 = 24 \).
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