What is 23.5 plus 41.38?

1. Write 23.5 as 23.50 so both numbers have two decimal places. 2. Add the hundredths: 0 + 8 = 8. 3. Add the tenths: 5 + 3 = 8. 4. Add the ones and tens columns: 23 + 41 = 64. 5. Putting the columns together gives 64.88. _Source: OpenStax Prealgebra (CC BY 4.0), Ch 5 "Decimals", section 5.2 Decimal Operations_