Solutions by everydaycalculation.com
1st number: 3/10, 2nd number: 6 3/7
310 - 457 is -42970.
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Related: 6/10-45/7 3/10-90/7 3/20-45/7 3/10-45/14 9/10-45/7 3/30-45/7 3/10-45/21 15/10-45/7 3/50-45/7 3/10-45/35 21/10-45/7 3/70-45/7 3/10-45/49
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