Multiply the two fractions.

**Step 1: Multiply Numerator and Denominator:**

Multiply two fractions by multiplying their numerators and multiplying their denominators:

**Step 2: Check whether you can simplify "crosswise":**

1 and 2 can not be simplified.

1 and 2 can not be simplified.

**Step 3: Multiply!**

1 × 1 | = | 1 |

| |

2 × 2 | 4 |

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

The result can not be simplified.