Solutions by everydaycalculation.com

1^{st} number: 7 0/9, 2^{nd} number: 35/90

639 ÷ 3590 is 181.

- Find the reciprocal of the divisor

Reciprocal of 3590: 9035 - Now, multiply it with the dividend

So, 639 ÷ 3590 = 639 × 9035 - = 63 × 909 × 35 = 5670315
- After reducing the fraction, the answer is 181

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