Solutions by everydaycalculation.com
1st number: 7 3/6, 2nd number: 12 3/6
456 - 756 is -51.
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Related: 90/6-75/6 45/12-75/6 45/6-75/12 45/18-75/6 45/6-75/18 45/30-75/6 45/6-75/30 45/42-75/6 45/6-75/42
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