Answers

Multiply 72/70 with 21/80

1^st number: 1 2/70, 2^nd number: 21/80

This multiplication involving fractions can also be rephrased as "What is 72/70 of 21/80?"

72/70 × 21/80 is 27/100.

Steps for multiplying fractions

1. Simply multiply the numerators and denominators separately:
2. 72/70 × 21/80 = 72 × 21/70 × 80 = 1512/5600
3. After reducing the fraction, the answer is 27/100

MathStep (Works offline)

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

Related: ⁷²/₇₀×⁴²/₈₀ ⁷²/₇₀×⁶³/₈₀

Multiply Fractions Calculator