Solutions by everydaycalculation.com
1st number: 3 1/2, 2nd number: 1/21
72 - 121 is 14542.
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Related: 14/2-1/21 7/2-2/21 7/4-1/21 7/2-1/42 21/2-1/21 7/2-3/21 7/6-1/21 7/2-1/63 35/2-1/21 7/2-5/21 7/10-1/21 49/2-1/21 7/2-7/21 7/14-1/21
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