Solutions by everydaycalculation.com
1st number: 12 2/4, 2nd number: 7/12
504 - 712 is 14312.
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Related: 50/4-14/12 50/8-7/12 50/4-7/24 50/4-21/12 50/12-7/12 50/4-7/36 50/4-35/12 50/20-7/12 50/4-7/60 50/4-49/12 50/28-7/12 50/4-7/84
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