Solutions by everydaycalculation.com
1st number: 15/21, 2nd number: 3 3/4
1521 is smaller than 154
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Related: 30/21 and 15/4 15/21 and 30/4 15/42 and 15/4 15/21 and 15/8 45/21 and 15/4 15/21 and 45/4 15/63 and 15/4 15/21 and 15/12 75/21 and 15/4 15/21 and 75/4 15/21 and 15/20 15/21 and 15/28
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