Solutions by everydaycalculation.com
1st number: 1 2/10, 2nd number: 8/12
1210 - 812 is 815.
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Related: 24/10-8/12 12/10-16/12 12/20-8/12 12/10-8/24 36/10-8/12 12/10-24/12 12/30-8/12 12/10-8/36 60/10-8/12 12/10-40/12 12/50-8/12 12/10-8/60 84/10-8/12 12/10-56/12 12/70-8/12 12/10-8/84
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