Multiply straight across. To divide, keep–change–flip.
Read this first — it covers the idea in plain language with a worked example.
Multiply straight across: numerator times numerator, denominator times denominator. Then simplify. For example, 2/3 × 4/5 = 8/15.
To divide by a fraction, you multiply by its reciprocal (the fraction flipped upside down).
3/4 ÷ 2/3
Tip
Turn mixed numbers into improper fractions before you multiply or divide.
Watch the main video, then check the second take if you want another explanation.
Flip the second fraction, then multiply (keep–change–flip).
Watch on YouTubeTry a worksheet or work through some problems before the quiz.
Mixed practice covering fraction and decimal operations.
A couple of questions to make sure this topic stuck. Retake as many times as you want.
Multiplying & Dividing Fractions
What is 3/4 ÷ 2/3?
