Solutions by everydaycalculation.com
1st number: 12/45, 2nd number: 1 39/45
1245 - 8445 is -85.
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Related: 24/45-84/45 12/90-84/45 12/45-84/90 36/45-84/45 60/45-84/45 84/45-84/45
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