## Dividing Fractions: 1 1/3 ÷ 1 3/4

This problem involves dividing mixed numbers. Here's how to solve it step-by-step:

### 1. Convert Mixed Numbers to Improper Fractions

**1 1/3:**(3 * 1 + 1) / 3 = 4/3**1 3/4:**(4 * 1 + 3) / 4 = 7/4

### 2. Invert the Second Fraction and Multiply

Dividing by a fraction is the same as multiplying by its inverse. The inverse of 7/4 is 4/7.

Our problem now becomes: (4/3) * (4/7)

### 3. Multiply the Numerators and Denominators

- (4 * 4) / (3 * 7) = 16/21

### 4. Simplify (if possible)

The fraction 16/21 is already in its simplest form.

### Answer

Therefore, 1 1/3 ÷ 1 3/4 = **16/21**