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.