Answers

Divide 42/45 with 72/21

1^st number: 42/45, 2^nd number: 3 9/21

42/45 ÷ 72/21 is 49/180.

Steps for dividing fractions

1. Find the reciprocal of the divisor
   Reciprocal of 72/21: 21/72
2. Now, multiply it with the dividend
   So, 42/45 ÷ 72/21 = 42/45 × 21/72
3. = 42 × 21/45 × 72 = 882/3240
4. After reducing the fraction, the answer is 49/180

MathStep (Works offline)

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

Related: ⁸⁴/₄₅÷⁷²/₂₁ ⁴²/₉₀÷⁷²/₂₁ ⁴²/₄₅÷⁷²/₄₂ ⁴²/₄₅÷⁷²/₆₃

Divide Fractions Calculator