Answers

Multiply 80/84 with 21/70

This multiplication involving fractions can also be rephrased as "What is 80/84 of 21/70?"

80/84 × 21/70 is 2/7.

Steps for multiplying fractions

1. Simply multiply the numerators and denominators separately:
2. 80/84 × 21/70 = 80 × 21/84 × 70 = 1680/5880
3. After reducing the fraction, the answer is 2/7

MathStep (Works offline)

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

Related: ⁸⁰/₈₄×⁴²/₇₀ ⁸⁰/₈₄×⁶³/₇₀

Multiply Fractions Calculator