Subtract the fraction from the whole number.

**Step 1: Convert the improper fraction into a mixed number:**

The numerator is lower than the denominator - it's a proper fraction.

Nothing to convert!

**Step 2: Subtract the proper fraction from the whole number:**

Convert "1" of the whole number and convert into a fraction that has the same denominator. Then you can subtract the two fractions that have a common denominator:

4 - | 5 | = 3 | 8 | - | 5 | = 3 | 3 |

| | | |

8 | 8 | 8 | 8 |