Answers

Divide 21/80 with 90/20

1^st number: 21/80, 2^nd number: 4 10/20

21/80 ÷ 90/20 is 7/120.

Steps for dividing fractions

1. Find the reciprocal of the divisor
   Reciprocal of 90/20: 20/90
2. Now, multiply it with the dividend
   So, 21/80 ÷ 90/20 = 21/80 × 20/90
3. = 21 × 20/80 × 90 = 420/7200
4. After reducing the fraction, the answer is 7/120

MathStep (Works offline)

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

Related: ⁴²/₈₀÷⁹⁰/₂₀ ²¹/₈₀÷⁹⁰/₄₀ ⁶³/₈₀÷⁹⁰/₂₀ ²¹/₈₀÷⁹⁰/₆₀

Divide Fractions Calculator