Solutions by everydaycalculation.com
1st number: 18/21, 2nd number: 1 3/12
1821 is smaller than 1512
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Related: 36/21 and 15/12 18/21 and 30/12 18/42 and 15/12 18/21 and 15/24 54/21 and 15/12 18/21 and 45/12 18/63 and 15/12 18/21 and 15/36 90/21 and 15/12 18/21 and 75/12 18/21 and 15/60 18/21 and 15/84
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