Answers

Divide 90/20 with 18/21

1^st number: 4 10/20, 2^nd number: 18/21

90/20 ÷ 18/21 is 21/4.

Steps for dividing fractions

1. Find the reciprocal of the divisor
   Reciprocal of 18/21: 21/18
2. Now, multiply it with the dividend
   So, 90/20 ÷ 18/21 = 90/20 × 21/18
3. = 90 × 21/20 × 18 = 1890/360
4. After reducing the fraction, the answer is 21/4
5. In mixed form: 51/4

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