Solutions by everydaycalculation.com
1st number: 1 5/10, 2nd number: 1 17/25
1510 - 4225 is -950.
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Related: 30/10-42/25 15/10-84/25 15/20-42/25 15/10-42/50 45/10-42/25 15/30-42/25 15/10-42/75 75/10-42/25 15/50-42/25 15/70-42/25
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