Long Subtraction Calculator
Master vertical subtraction. This tool shows you exactly when and how to borrow from the next column, making complex subtraction problems easy to understand.
What is long subtraction with regrouping?
Long subtraction is a method used to subtract large numbers by aligning them vertically. "Regrouping" (or borrowing) occurs when a digit in the top number is smaller than the corresponding digit in the bottom number, requiring you to take 10 from the next column to the left.
How do I know when to borrow in subtraction?
You need to borrow whenever the digit in the "minuend" (top number) is less than the digit in the "subtrahend" (bottom number) for a specific place value (ones, tens, hundreds, etc.).
What are the parts of a subtraction problem?
The number you start with is called the "Minuend." The number you are taking away is the "Subtrahend." The result is called the "Difference."
Does this calculator work with decimals?
Yes! This tool handles both whole numbers and decimals, ensuring that the decimal points are correctly aligned before performing the subtraction.