Solutions by everydaycalculation.com
1st number: 1/5, 2nd number: 1 7/20
15 - 2720 is -2320.
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Related: 2/5-27/20 1/5-54/20 1/10-27/20 1/5-27/40 3/5-27/20 1/5-81/20 1/15-27/20 1/5-27/60 1/25-27/20 7/5-27/20 1/35-27/20
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