Answers

Divide 72/21 with 20/90

1^st number: 3 9/21, 2^nd number: 20/90

72/21 ÷ 20/90 is 108/7.

Steps for dividing fractions

1. Find the reciprocal of the divisor
   Reciprocal of 20/90: 90/20
2. Now, multiply it with the dividend
   So, 72/21 ÷ 20/90 = 72/21 × 90/20
3. = 72 × 90/21 × 20 = 6480/420
4. After reducing the fraction, the answer is 108/7
5. In mixed form: 153/7

MathStep (Works offline)

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

Related: ⁷²/₂₁÷⁴⁰/₉₀ ⁷²/₄₂÷²⁰/₉₀ ⁷²/₂₁÷⁶⁰/₉₀ ⁷²/₆₃÷²⁰/₉₀

Divide Fractions Calculator