Solutions by everydaycalculation.com
1st number: 4/10, 2nd number: 2 4/10
410 - 2410 is -21.
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Related: 8/10-24/10 4/10-48/10 4/20-24/10 4/10-24/20 12/10-24/10 4/10-72/10 4/30-24/10 4/10-24/30 20/10-24/10 4/50-24/10 4/10-24/50 28/10-24/10 4/70-24/10 4/10-24/70
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