Solutions by everydaycalculation.com
1st number: 10/45, 2nd number: 1 25/45
1045 - 7045 is -43.
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Related: 20/45-70/45 10/90-70/45 10/45-70/90 30/45-70/45 50/45-70/45 70/45-70/45
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