Solutions by everydaycalculation.com
1st number: 18/45, 2nd number: 1 3/45
1845 - 4845 is -23.
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Related: 36/45-48/45 18/45-96/45 18/90-48/45 18/45-48/90 54/45-48/45 90/45-48/45
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