Answers

Multiply 45/12 with 54/40

1^st number: 3 9/12, 2^nd number: 1 14/40

This multiplication involving fractions can also be rephrased as "What is 45/12 of 1 14/40?"

45/12 × 54/40 is 81/16.

Steps for multiplying fractions

1. Simply multiply the numerators and denominators separately:
2. 45/12 × 54/40 = 45 × 54/12 × 40 = 2430/480
3. After reducing the fraction, the answer is 81/16
4. In mixed form: 51/16

MathStep (Works offline)

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

Related: ⁹⁰/₁₂×⁵⁴/₄₀ ⁴⁵/₂₄×⁵⁴/₄₀ ⁴⁵/₁₂×⁵⁴/₈₀ ⁴⁵/₃₆×⁵⁴/₄₀ ⁴⁵/₆₀×⁵⁴/₄₀ ⁴⁵/₈₄×⁵⁴/₄₀

Multiply Fractions Calculator