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  • Basic Mathematics Solved Problems | Topics - Contents

    Adding and Subtracting Decimals

    Related Topics: Orders of operation; Adding and Subtracting Fractions
    Adding Decimals
    1. Write the decimals in vertical order and the decimal points in one column
    2. Add digits from right to left.
    3. Examples: 1. Find the sum of 0.002, 1.25, 56.88, 103.0125, 69.0007 and 32.112354
      1. Vertical order and decimal points in one column
      2. addition of decimals
      3. Add digits from left to right.
      4. addition of decimals
    Subtracting Decimals
    1. Write the decimals in vertical order and the decimal points in one column. The larger number must be at the top.
    2. Subtract digits from right to left.
    3. Examples: 1. What is the difference between 15.23 and 2.645
      1. Vertical order and decimal points in one column
      2. subtraction of decimals
      3. Subtract digits from left to right.
      4. subtraction of decimals
      2. What is the difference between 15.2325 and 2.645
      1. Vertical order and decimal points in one column
      2. subtraction of decimals
      3. Subtract digits from left to right.
      4. subtraction of decimals