21 minus 4

Understand the Problem

The question is asking to perform a simple subtraction operation, where we need to subtract 4 from 21.

Answer

$17$
Answer for screen readers

The answer is $17$.

Steps to Solve

  1. Identify the numbers involved

We have two numbers: 21 (the minuend) and 4 (the subtrahend). We need to subtract 4 from 21.

  1. Set up the subtraction equation

The subtraction can be expressed as: $$ 21 - 4 $$

  1. Perform the subtraction

Now, we need to calculate the difference: $$ 21 - 4 = 17 $$

The answer is $17$.

More Information

The result of subtracting 4 from 21 gives us the difference of 17, which is often used in various practical situations, like calculating changes in quantities or scores.

Tips

  • Forgetting to correctly identify which number to subtract from can lead to errors. Ensure the minuend and subtrahend are clearly defined.
  • Mistakes in basic arithmetic might occur; double-check your calculations to avoid simple errors.

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