Final answer:
To simplify 47.5 - 6.12, subtract the decimal parts separately and then combine the results.
Step-by-step explanation:
To simplify 47.5 - 6.12, you subtract the decimal part separately from the whole number part. Start by subtracting the tenths place: 5 - 1 = 4. Then subtract the hundredths place: 7 - 2 = 5. Combine the results: 47.5 - 6.12 = 41.38.