# Record Addition and Subtraction

How can you add 15.3 and 2.45?

**STEP 1**
Write decimals, keeping the decimal points in line.

**STEP 2**
Write an equivalent decimal with a zero in the hundredths place so that both numbers have the same number of digits after the decimal point

**STEP 3**
Add as you would with whole numbers.

Learn more about finding the sum or difference of two decimal numbers by reading the explanation below.