Solutions by everydaycalculation.com
1st number: 10 0/5, 2nd number: 3/10
505 - 310 is 9710.
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Related: 50/5-6/10 50/10-3/10 50/5-3/20 50/5-9/10 50/15-3/10 50/5-3/30 50/5-15/10 50/25-3/10 50/5-3/50 50/5-21/10 50/35-3/10 50/5-3/70
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