Solutions by everydaycalculation.com
1st number: 15/21, 2nd number: 1 8/10
1521 is smaller than 1810
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Related: 30/21 and 18/10 15/21 and 36/10 15/42 and 18/10 15/21 and 18/20 45/21 and 18/10 15/21 and 54/10 15/63 and 18/10 15/21 and 18/30 75/21 and 18/10 15/21 and 90/10 15/21 and 18/50 15/21 and 18/70
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