Solutions by everydaycalculation.com
1st number: 1 2/10, 2nd number: 2 4/10
1210 - 2410 is -65.
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Related: 24/10-24/10 12/10-48/10 12/20-24/10 12/10-24/20 36/10-24/10 12/10-72/10 12/30-24/10 12/10-24/30 60/10-24/10 12/50-24/10 12/10-24/50 84/10-24/10 12/70-24/10 12/10-24/70
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