Solutions by everydaycalculation.com
1st number: 4 1/5, 2nd number: 4 2/10
215 - 4210 is 01.
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Related: 42/5-42/10 21/5-84/10 21/10-42/10 21/5-42/20 63/5-42/10 21/15-42/10 21/5-42/30 21/25-42/10 21/5-42/50 21/35-42/10 21/5-42/70
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