Solutions by everydaycalculation.com
1st number: 3/10, 2nd number: 6 6/7
310 - 487 is -45970.
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Related: 6/10-48/7 3/10-96/7 3/20-48/7 3/10-48/14 9/10-48/7 3/30-48/7 3/10-48/21 15/10-48/7 3/50-48/7 3/10-48/35 21/10-48/7 3/70-48/7 3/10-48/49
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