Answers

Divide 21/15 with 81/20

1^st number: 1 6/15, 2^nd number: 4 1/20

21/15 ÷ 81/20 is 28/81.

Steps for dividing fractions

1. Find the reciprocal of the divisor
   Reciprocal of 81/20: 20/81
2. Now, multiply it with the dividend
   So, 21/15 ÷ 81/20 = 21/15 × 20/81
3. = 21 × 20/15 × 81 = 420/1215
4. After reducing the fraction, the answer is 28/81

MathStep (Works offline)

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

Related: ⁴²/₁₅÷⁸¹/₂₀ ²¹/₃₀÷⁸¹/₂₀ ²¹/₁₅÷⁸¹/₄₀ ⁶³/₁₅÷⁸¹/₂₀ ²¹/₄₅÷⁸¹/₂₀ ²¹/₁₅÷⁸¹/₆₀ ²¹/₇₅÷⁸¹/₂₀

Divide Fractions Calculator