Solutions by everydaycalculation.com
1st number: 1/9, 2nd number: 1 6/12
19 - 1812 is -2518.
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Related: 2/9-18/12 1/9-36/12 1/18-18/12 1/9-18/24 3/9-18/12 1/9-54/12 1/27-18/12 1/9-18/36 5/9-18/12 1/9-90/12 1/45-18/12 1/9-18/60 7/9-18/12 1/63-18/12 1/9-18/84
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