Solutions by everydaycalculation.com
1st number: 1/3, 2nd number: 1 9/15
13 - 2415 is -1915.
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Related: 2/3-24/15 1/3-48/15 1/6-24/15 1/3-24/30 1/3-72/15 1/9-24/15 1/3-24/45 5/3-24/15 1/15-24/15 1/3-24/75 7/3-24/15 1/21-24/15
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