Solutions by everydaycalculation.com
1st number: 15/21, 2nd number: 1 9/12
1521 is smaller than 2112
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Related: 30/21 and 21/12 15/21 and 42/12 15/42 and 21/12 15/21 and 21/24 45/21 and 21/12 15/21 and 63/12 15/63 and 21/12 15/21 and 21/36 75/21 and 21/12 15/21 and 21/60 15/21 and 21/84
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