Solutions by everydaycalculation.com
1st number: 1/3, 2nd number: 5 6/15
13 - 8115 is -7615.
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Related: 2/3-81/15 1/6-81/15 1/3-81/30 1/9-81/15 1/3-81/45 5/3-81/15 1/15-81/15 1/3-81/75 7/3-81/15 1/21-81/15
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