Solutions by everydaycalculation.com
1st number: 1/5, 2nd number: 7 5/10
15 - 7510 is -7310.
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Related: 2/5-75/10 1/10-75/10 1/5-75/20 3/5-75/10 1/15-75/10 1/5-75/30 1/25-75/10 1/5-75/50 7/5-75/10 1/35-75/10 1/5-75/70
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