Solutions by everydaycalculation.com
1st number: 18/20, 2nd number: 6 1/8
1820 - 498 is -20940.
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Related: 36/20-49/8 18/20-98/8 18/40-49/8 18/20-49/16 54/20-49/8 18/60-49/8 18/20-49/24 90/20-49/8 18/20-49/40 18/20-49/56
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