Solutions by everydaycalculation.com
1st number: 12/70, 2nd number: 2 5/10
1270 - 2510 is -16370.
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Related: 24/70-25/10 12/70-50/10 12/70-25/20 36/70-25/10 12/70-75/10 12/70-25/30 60/70-25/10 12/70-25/50 84/70-25/10 12/70-25/70
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