Solutions by everydaycalculation.com
1st number: 3 1/2, 2nd number: 16/21
72 - 1621 is 11542.
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Related: 14/2-16/21 7/2-32/21 7/4-16/21 7/2-16/42 21/2-16/21 7/2-48/21 7/6-16/21 7/2-16/63 35/2-16/21 7/2-80/21 7/10-16/21 49/2-16/21 7/14-16/21
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