Solutions by everydaycalculation.com
1st number: 3/10, 2nd number: 1 10/15
310 - 2515 is -4130.
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Related: 6/10-25/15 3/10-50/15 3/20-25/15 3/10-25/30 9/10-25/15 3/10-75/15 3/30-25/15 3/10-25/45 15/10-25/15 3/50-25/15 3/10-25/75 21/10-25/15 3/70-25/15
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