Solutions by everydaycalculation.com
1st number: 1/15, 2nd number: 1 15/20
115 - 3520 is -10160.
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Related: 2/15-35/20 1/15-70/20 1/30-35/20 1/15-35/40 3/15-35/20 1/45-35/20 1/15-35/60 5/15-35/20 1/75-35/20 7/15-35/20
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