Solutions by everydaycalculation.com
1st number: 7 5/10, 2nd number: 8 0/10
7510 - 8010 is -12.
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Related: 75/20-80/10 75/10-80/20 75/30-80/10 75/10-80/30 75/50-80/10 75/10-80/50 75/70-80/10 75/10-80/70
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