Solutions by everydaycalculation.com
1st number: 1 5/10, 2nd number: 7/10
1510 - 710 is 45.
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Related: 30/10-7/10 15/10-14/10 15/20-7/10 15/10-7/20 45/10-7/10 15/10-21/10 15/30-7/10 15/10-7/30 75/10-7/10 15/10-35/10 15/50-7/10 15/10-7/50 15/10-49/10 15/70-7/10 15/10-7/70
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