Subtracting Decimals

Subtracting decimals is easy when you keep your work neat

To subtract decimals, follow these steps:

  • Write down the two numbers, one under the other, with the decimal points lined up.
  • Add zeros so the numbers have the same length
  • Then subtract normally, remembering to put the decimal point in the answer

Example: Subtract 0.03 from 1.1

Line the decimals up:     1.1
    0.03 
       
"Pad" with zeros:     1.10
    0.03
       
Subtract:     1.10
    0.03
      1.07

Answer: 1.07

So, that was just like 110 − 3 = 107, but with the decimal point in a different position

 

Example: Calculate 7.005-0.55

Line the decimals up:     7.005
    0.55
       
"Pad" with zeros:     7.005
    0.550
       
Subtract:     7.005
    0.550
      6.455

Answer: 6.455

And that was just like 7,005 − 550 = 6,455