Solutions by everydaycalculation.com
1st number: 3 6/12, 2nd number: 1 2/12
4212 - 1412 is 73.
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Related: 84/12-14/12 42/12-28/12 42/24-14/12 42/12-14/24 42/12-42/12 42/36-14/12 42/12-14/36 42/12-70/12 42/60-14/12 42/12-14/60 42/12-98/12 42/84-14/12 42/12-14/84
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