Solutions by everydaycalculation.com
1st number: 15/16, 2nd number: 1 8/20
1516 - 2820 is -3780.
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Related: 30/16-28/20 15/16-56/20 15/32-28/20 15/16-28/40 45/16-28/20 15/16-84/20 15/48-28/20 15/16-28/60 75/16-28/20 15/80-28/20
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