3/4 * 45

To calculate \( \frac{3}{4} \times 45 \):

1. Multiply the numerator by the whole number: \( 3 \times 45 = 135 \).
2. Divide by the denominator: \( \frac{135}{4} = 33.75 \).

So, \( \frac{3}{4} \times 45 = 33.75 \).