Solutions by everydaycalculation.com
1st number: 1 8/10, 2nd number: 7/30
1810 - 730 is 4730.
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Related: 36/10-7/30 18/10-14/30 18/20-7/30 18/10-7/60 54/10-7/30 18/10-21/30 18/30-7/30 18/10-7/90 90/10-7/30 18/10-35/30 18/50-7/30 18/10-49/30 18/70-7/30
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