Solutions by everydaycalculation.com
1st number: 3/10, 2nd number: 9 0/5
310 - 455 is -8710.
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Related: 6/10-45/5 3/10-90/5 3/20-45/5 3/10-45/10 9/10-45/5 3/30-45/5 3/10-45/15 15/10-45/5 3/50-45/5 3/10-45/25 21/10-45/5 3/70-45/5 3/10-45/35
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