Solutions by everydaycalculation.com
1st number: 1 6/12, 2nd number: 8/9
1812 - 89 is 1118.
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Related: 36/12-8/9 18/12-16/9 18/24-8/9 18/12-8/18 54/12-8/9 18/12-24/9 18/36-8/9 18/12-8/27 90/12-8/9 18/12-40/9 18/60-8/9 18/12-8/45 18/12-56/9 18/84-8/9 18/12-8/63
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