Solutions by everydaycalculation.com
1st number: 1/72, 2nd number: 1 8/10
172 - 1810 is -643360.
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Related: 2/72-18/10 1/72-36/10 1/72-18/20 3/72-18/10 1/72-54/10 1/72-18/30 5/72-18/10 1/72-90/10 1/72-18/50 7/72-18/10 1/72-18/70
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