Solutions by everydaycalculation.com
1st number: 1 8/10, 2nd number: 3 5/10
1810 - 3510 is -1710.
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Related: 36/10-35/10 18/10-70/10 18/20-35/10 18/10-35/20 54/10-35/10 18/30-35/10 18/10-35/30 90/10-35/10 18/50-35/10 18/10-35/50 18/70-35/10 18/10-35/70
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