Solutions by everydaycalculation.com
1st number: 3 6/12, 2nd number: 2 11/12
4212 - 3512 is 712.
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Related: 84/12-35/12 42/12-70/12 42/24-35/12 42/12-35/24 42/36-35/12 42/12-35/36 42/60-35/12 42/12-35/60 42/84-35/12 42/12-35/84
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