1. Count the decimal places: 0.4335 has four decimal places.
2. Write the number without the decimal point: 4335
3. Write the denominator as a power of 10: Since there were four decimal places, the denominator will be 10,000 (10 raised to the power of 4).
4. Simplify the fraction (if possible): In this case, the fraction 4335/10000 can be simplified by dividing both numerator and denominator by 5:
Therefore, 0.4335 expressed as a fraction is 867/2000.