Final answer:
To express 15 1/5 as a decimal fraction, convert the mixed number to an improper fraction by multiplying the whole number by the denominator and adding the numerator. Then, divide the numerator by the denominator to obtain the decimal fraction.
Step-by-step explanation:
To express 15 1/5 as a decimal fraction, we need to convert the mixed number into an improper fraction. To do this, we multiply the whole number (15) by the denominator (5) and add the numerator (1). This gives us 76/5. Finally, divide the numerator (76) by the denominator (5) to get the decimal fraction.
76 ÷ 5 = 15.2
Learn more about Converting mixed numbers to decimal fractions