1. The problem asks to find the equivalent decimal and percent for the fraction $\frac{5}{4}$.\n\n2. To convert a fraction to a decimal, divide the numerator by the denominator: $$\frac{5}{4} = 5 \div 4.$$\n\n3. Perform the division: $$5 \div 4 = 1.25.$$\n\n4. To convert a decimal to a percent, multiply by 100 and add the percent symbol: $$1.25 \times 100 = 125\%. $$\n\n5. Therefore, the equivalent decimal of $\frac{5}{4}$ is $1.25$ and the equivalent percent is $125\%$.