Adding decimals with three decimal places

Adding decimals with three decimal places

The common method of adding decimal numbers is by aligning them vertically. Start by arranging the digits of the numbers according to their place values. Thereafter, add the digits from right to the left of the decimal number.

a. 150.135 + 95.004

Solution

1. Arrange the numbers vertically according to their place values.
2. Add digits from right towards the left of a decimal number.

    150.135
  +  95.004
    ------
    245.139

Therefore, the answer is 245.139

b. 50.252 + 35.798

Solution

1. Arrange the numbers vertically according to their place values.
2. Add digits from right towards the left of a decimal number.

     50.252
  +  35.798
     ------
     86.050

Therefore, the answer is 86.050.