Solutions by everydaycalculation.com
1st number: 10/42, 2nd number: 1 28/42
1042 - 7042 is -107.
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Related: 20/42-70/42 10/84-70/42 10/42-70/84 30/42-70/42 50/42-70/42 70/42-70/42
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