Answers

Multiply 28/42 with 81/21

1^st number: 28/42, 2^nd number: 3 18/21

This multiplication involving fractions can also be rephrased as "What is 28/42 of 3 18/21?"

28/42 × 81/21 is 18/7.

Steps for multiplying fractions

1. Simply multiply the numerators and denominators separately:
2. 28/42 × 81/21 = 28 × 81/42 × 21 = 2268/882
3. After reducing the fraction, the answer is 18/7
4. In mixed form: 24/7

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁵⁶/₄₂×⁸¹/₂₁ ²⁸/₈₄×⁸¹/₂₁ ²⁸/₄₂×⁸¹/₄₂ ⁸⁴/₄₂×⁸¹/₂₁ ²⁸/₄₂×⁸¹/₆₃

Multiply Fractions Calculator