Solutions by everydaycalculation.com
1st number: 1 3/4, 2nd number: 1 2/6
74 - 86 is 512.
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Related: 14/4-8/6 7/4-16/6 7/8-8/6 7/4-8/12 21/4-8/6 7/4-24/6 7/12-8/6 7/4-8/18 35/4-8/6 7/4-40/6 7/20-8/6 7/4-8/30 49/4-8/6 7/4-56/6 7/28-8/6 7/4-8/42
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