Solutions by everydaycalculation.com
1st number: 1 2/10, 2nd number: 4 5/10
1210 - 4510 is -3310.
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Related: 24/10-45/10 12/10-90/10 12/20-45/10 12/10-45/20 36/10-45/10 12/30-45/10 12/10-45/30 60/10-45/10 12/50-45/10 12/10-45/50 84/10-45/10 12/70-45/10 12/10-45/70
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