Solutions by everydaycalculation.com
1st number: 1/15, 2nd number: 1 7/20
115 - 2720 is -7760.
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Related: 2/15-27/20 1/15-54/20 1/30-27/20 1/15-27/40 3/15-27/20 1/15-81/20 1/45-27/20 1/15-27/60 5/15-27/20 1/75-27/20 7/15-27/20
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