Solutions by everydaycalculation.com
1st number: 1 7/9, 2nd number: 3 9/12
169 - 4512 is -7136.
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Related: 32/9-45/12 16/9-90/12 16/18-45/12 16/9-45/24 48/9-45/12 16/27-45/12 16/9-45/36 80/9-45/12 16/45-45/12 16/9-45/60 16/63-45/12 16/9-45/84
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