Solutions by everydaycalculation.com
1st number: 7 5/10, 2nd number: 4 0/10
7510 - 4010 is 72.
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Related: 75/10-80/10 75/20-40/10 75/10-40/20 75/30-40/10 75/10-40/30 75/50-40/10 75/10-40/50 75/70-40/10 75/10-40/70
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