Add the two fractions.

**Step 1: Determine the common denominator:**

Nothing to do. The denominators are the same!

**Step 2: Expand to the common denominator:**

Nothing to do. The denominators are the same!

**Step 3: Add the numerators:**

Since the two fractions have a common denominator, you can add:

1 | + | 1 | = | 1 + 1 | = | 2 |

| | | |

3 | 3 | 3 | 3 |

**Step 4: Check whether the result can be simplified**

The result can not be simplified.