Solutions by everydaycalculation.com
1st number: 12/45, 2nd number: 1 5/45
1245 - 5045 is -3845.
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Related: 24/45-50/45 12/90-50/45 12/45-50/90 36/45-50/45 60/45-50/45 84/45-50/45
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