Solutions by everydaycalculation.com
1st number: 12 4/5, 2nd number: 9/10
645 - 910 is 11910.
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Related: 64/5-18/10 64/10-9/10 64/5-9/20 64/5-27/10 64/15-9/10 64/5-9/30 64/5-45/10 64/25-9/10 64/5-9/50 64/5-63/10 64/35-9/10 64/5-9/70
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