Solutions by everydaycalculation.com
1st number: 1/72, 2nd number: 6 0/3
172 - 183 is -43172.
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Related: 2/72-18/3 1/72-36/3 1/72-18/6 3/72-18/3 1/72-54/3 1/72-18/9 5/72-18/3 1/72-90/3 1/72-18/15 7/72-18/3 1/72-18/21
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