Answers

Multiply 81/20 with 84/72

1^st number: 4 1/20, 2^nd number: 1 12/72

This multiplication involving fractions can also be rephrased as "What is 81/20 of 1 12/72?"

81/20 × 84/72 is 189/40.

Steps for multiplying fractions

1. Simply multiply the numerators and denominators separately:
2. 81/20 × 84/72 = 81 × 84/20 × 72 = 6804/1440
3. After reducing the fraction, the answer is 189/40
4. In mixed form: 429/40

MathStep (Works offline)

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

Related: ⁸¹/₄₀×⁸⁴/₇₂ ⁸¹/₆₀×⁸⁴/₇₂

Multiply Fractions Calculator