Solutions by everydaycalculation.com
1st number: 1 8/10, 2nd number: 1 9/16
1810 - 2516 is 1980.
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Related: 36/10-25/16 18/10-50/16 18/20-25/16 18/10-25/32 54/10-25/16 18/10-75/16 18/30-25/16 18/10-25/48 90/10-25/16 18/50-25/16 18/10-25/80 18/70-25/16
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