Solutions by everydaycalculation.com
1st number: 3/10, 2nd number: 1 20/30
310 - 5030 is -4130.
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Related: 6/10-50/30 3/20-50/30 3/10-50/60 9/10-50/30 3/30-50/30 3/10-50/90 15/10-50/30 3/50-50/30 21/10-50/30 3/70-50/30
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