What is 0.75 expressed as a fraction?

To express 0.75 as a fraction, it can be understood as 75 hundredths, which can be represented mathematically as ( \frac{75}{100} ). This fraction can be simplified by finding the greatest common divisor of the numerator and denominator, which is 25. Dividing both the numerator and the denominator by 25 gives ( \frac{75 \div 25}{100 \div 25} = \frac{3}{4} ).

Thus, the correct answer is 3/4, which directly corresponds to the decimal 0.75. This indicates that 0.75 represents three-quarters of a whole. In contrast, the other options do not correctly express the decimal in fractional form, which is why they do not align with 0.75.