Answers

Multiply 28/42 with 45/21

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

This multiplication involving fractions can also be rephrased as "What is 28/42 of 2 3/21?"

28/42 × 45/21 is 10/7.

Steps for multiplying fractions

1. Simply multiply the numerators and denominators separately:
2. 28/42 × 45/21 = 28 × 45/42 × 21 = 1260/882
3. After reducing the fraction, the answer is 10/7
4. In mixed form: 13/7

MathStep (Works offline)

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

Related: ⁵⁶/₄₂×⁴⁵/₂₁ ²⁸/₄₂×⁹⁰/₂₁ ²⁸/₈₄×⁴⁵/₂₁ ²⁸/₄₂×⁴⁵/₄₂ ⁸⁴/₄₂×⁴⁵/₂₁ ²⁸/₄₂×⁴⁵/₆₃

Multiply Fractions Calculator