Answers

Divide 21/70 with 80/42

1^st number: 21/70, 2^nd number: 1 38/42

21/70 ÷ 80/42 is 63/400.

Steps for dividing fractions

1. Find the reciprocal of the divisor
   Reciprocal of 80/42: 42/80
2. Now, multiply it with the dividend
   So, 21/70 ÷ 80/42 = 21/70 × 42/80
3. = 21 × 42/70 × 80 = 882/5600
4. After reducing the fraction, the answer is 63/400

MathStep (Works offline)

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

Related: ⁴²/₇₀÷⁸⁰/₄₂ ²¹/₇₀÷⁸⁰/₈₄ ⁶³/₇₀÷⁸⁰/₄₂

Divide Fractions Calculator