A fraction \(\frac{a}{b}\) means a ÷ b. Convert to a decimal.<br><br>&bull; Multiply numerator and denominator by 25: \(\frac{87 \times 25}{400 \times 25} = \frac{2175}{10000}\)<br>&bull; \(\frac{2175}{10000} = 0.2175\)<br><br>Final Answer: 0.2175