Answers

Multiply 42/90 with 40/12

1^st number: 42/90, 2^nd number: 3 4/12

This multiplication involving fractions can also be rephrased as "What is 42/90 of 3 4/12?"

42/90 × 40/12 is 14/9.

Steps for multiplying fractions

1. Simply multiply the numerators and denominators separately:
2. 42/90 × 40/12 = 42 × 40/90 × 12 = 1680/1080
3. After reducing the fraction, the answer is 14/9
4. In mixed form: 15/9

MathStep (Works offline)

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

Related: ⁸⁴/₉₀×⁴⁰/₁₂ ⁴²/₉₀×⁸⁰/₁₂ ⁴²/₉₀×⁴⁰/₂₄ ⁴²/₉₀×⁴⁰/₃₆ ⁴²/₉₀×⁴⁰/₆₀ ⁴²/₉₀×⁴⁰/₈₄

Multiply Fractions Calculator