Solutions by everydaycalculation.com
1st number: 4 1/5, 2nd number: 5/10
215 - 510 is 3710.
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Related: 42/5-5/10 21/10-5/10 21/5-5/20 63/5-5/10 21/5-15/10 21/15-5/10 21/5-5/30 21/5-25/10 21/25-5/10 21/5-5/50 21/5-35/10 21/35-5/10 21/5-5/70
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