The correct answer is: $\frac{7}{16}$
Explanation
We convert the decimal to a fraction and simplify.
Steps:
- First write 0.4375 as a fraction with denominator 10000:
$$0.4375=\frac{4375}{10000}$$
- Divide numerator and denominator by their common factor 125:
$$\frac{4375}{10000}=\frac{4375\div125}{10000\div125}=\frac{35}{80}$$
- Reduce further by dividing both by 5:
$$\frac{35}{80}=\frac{35\div5}{80\div5}=\frac{7}{16}$$
Therefore, 0.4375 in simplest fractional form is $\frac{7}{16}$.