Solutions by everydaycalculation.com
1st number: 8/9, 2nd number: 3 9/12
89 - 4512 is -10336.
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Related: 16/9-45/12 8/9-90/12 8/18-45/12 8/9-45/24 24/9-45/12 8/27-45/12 8/9-45/36 40/9-45/12 8/45-45/12 8/9-45/60 56/9-45/12 8/63-45/12 8/9-45/84
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