Solutions by everydaycalculation.com
1st number: 8 0/5, 2nd number: 1/10
405 - 110 is 7910.
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Related: 80/5-1/10 40/5-2/10 40/10-1/10 40/5-1/20 40/5-3/10 40/15-1/10 40/5-1/30 40/5-5/10 40/25-1/10 40/5-1/50 40/5-7/10 40/35-1/10 40/5-1/70
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