Solutions by everydaycalculation.com
1st number: 4 1/5, 2nd number: 3/10
215 - 310 is 3910.
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Related: 42/5-3/10 21/5-6/10 21/10-3/10 21/5-3/20 63/5-3/10 21/5-9/10 21/15-3/10 21/5-3/30 21/5-15/10 21/25-3/10 21/5-3/50 21/5-21/10 21/35-3/10 21/5-3/70
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