Solutions by everydaycalculation.com
1st number: 1 8/10, 2nd number: 1 6/12
1810 - 1812 is 310.
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Related: 36/10-18/12 18/10-36/12 18/20-18/12 18/10-18/24 54/10-18/12 18/10-54/12 18/30-18/12 18/10-18/36 90/10-18/12 18/10-90/12 18/50-18/12 18/10-18/60 18/70-18/12 18/10-18/84
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