Solutions by everydaycalculation.com
1st number: 1 8/10, 2nd number: 4 5/10
1810 - 4510 is -2710.
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Related: 36/10-45/10 18/10-90/10 18/20-45/10 18/10-45/20 54/10-45/10 18/30-45/10 18/10-45/30 90/10-45/10 18/50-45/10 18/10-45/50 18/70-45/10 18/10-45/70
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