Answers

Multiply 28/21 with 45/21

1^st number: 1 7/21, 2^nd number: 2 3/21

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

28/21 × 45/21 is 20/7.

Steps for multiplying fractions

1. Simply multiply the numerators and denominators separately:
2. 28/21 × 45/21 = 28 × 45/21 × 21 = 1260/441
3. After reducing the fraction, the answer is 20/7
4. In mixed form: 26/7

MathStep (Works offline)

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

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

Multiply Fractions Calculator