Solutions by everydaycalculation.com
1st number: 1 7/8, 2nd number: 6/40
158 - 640 is 6940.
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Related: 30/8-6/40 15/8-12/40 15/16-6/40 15/8-6/80 45/8-6/40 15/8-18/40 15/24-6/40 75/8-6/40 15/8-30/40 15/40-6/40 15/8-42/40 15/56-6/40
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