Answers

Multiply 81/80 with 25/40

1^st number: 1 1/80, 2^nd number: 25/40

This multiplication involving fractions can also be rephrased as "What is 81/80 of 25/40?"

81/80 × 25/40 is 81/128.

Steps for multiplying fractions

1. Simply multiply the numerators and denominators separately:
2. 81/80 × 25/40 = 81 × 25/80 × 40 = 2025/3200
3. After reducing the fraction, the answer is 81/128

MathStep (Works offline)

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

Related: ⁸¹/₈₀×⁵⁰/₄₀ ⁸¹/₈₀ײ⁵/₈₀ ⁸¹/₈₀×⁷⁵/₄₀

Multiply Fractions Calculator