Answers

Multiply 21/2 with 40/20

1^st number: 10 1/2, 2^nd number: 2 0/20

This multiplication involving fractions can also be rephrased as "What is 21/2 of 2 0/20?"

21/2 × 40/20 is 21/1.

Steps for multiplying fractions

1. Simply multiply the numerators and denominators separately:
2. 21/2 × 40/20 = 21 × 40/2 × 20 = 840/40
3. After reducing the fraction, the answer is 21/1

MathStep (Works offline)

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

Related: ⁴²/₂×⁴⁰/₂₀ ²¹/₂×⁸⁰/₂₀ ²¹/₄×⁴⁰/₂₀ ⁶³/₂×⁴⁰/₂₀ ²¹/₆×⁴⁰/₂₀ ²¹/₂×⁴⁰/₆₀ ²¹/₁₀×⁴⁰/₂₀ ²¹/₁₄×⁴⁰/₂₀

Multiply Fractions Calculator