Answers

Multiply 42/80 with 15/90

This multiplication involving fractions can also be rephrased as "What is 42/80 of 15/90?"

42/80 × 15/90 is 7/80.

Steps for multiplying fractions

1. Simply multiply the numerators and denominators separately:
2. 42/80 × 15/90 = 42 × 15/80 × 90 = 630/7200
3. After reducing the fraction, the answer is 7/80

MathStep (Works offline)

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

Related: ⁸⁴/₈₀×¹⁵/₉₀ ⁴²/₈₀׳⁰/₉₀ ⁴²/₈₀×⁴⁵/₉₀ ⁴²/₈₀×⁷⁵/₉₀

Multiply Fractions Calculator