Solutions by everydaycalculation.com
1st number: 7 6/12, 2nd number: 3 6/12
9012 - 4212 is 41.
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Related: 90/12-84/12 90/24-42/12 90/12-42/24 90/36-42/12 90/12-42/36 90/60-42/12 90/12-42/60 90/84-42/12 90/12-42/84
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