Two (2) Digit Subtraction With Regrouping (Borrowing)

Kids,

From the previous session, we know how to subtract 2 two-digit numbers.

In this page, let's see subtracting with regrouping (borrowing). It is similar to the simple subtraction which we learnt in the previous section.

 
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Before subtracting, arrange the two numbers of the math problem as below (one below the other).

 
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As the rule, we have to work on the digits in 'ones' column first i.e., we have to subtract 8 from 4. But is it possible? No, because 4 is smaller than 8; so we cannot continue.

In such cases, when we do not have bigger number on top, we need to borrow a number from the 'tens' column. If you see the 'tens' column, you have 3 on top. Now, borrow one number from 3 and add that in the 'ones' column.

So, as given in the below subtracting picture, strike off 3 and write 2. Add that borrowed number 1 to 4 to make it 14.

 
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Now can you subtract these two numbers of the math problem, i.e. 8 from 14? Absolutely! You can.

So 14-8=6. Write 6 in the 'ones' column.

 
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Let us come to the digits in the 'tens' column now. We have 2 above and 1 below.

So 2-1=1. Write 1 in the 'tens' column.

 
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Did you get 16? Congratulations! That is the answer.

 
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Subtraction with regrouping (borrowing) is made easy here.

 

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