Solutions by everydaycalculation.com
1st number: 1/60, 2nd number: 1 5/10
160 - 1510 is -8960.
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Related: 2/60-15/10 1/60-30/10 1/60-15/20 3/60-15/10 1/60-45/10 1/60-15/30 5/60-15/10 1/60-75/10 1/60-15/50 7/60-15/10 1/60-15/70
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