Solutions by everydaycalculation.com
1st number: 1/3, 2nd number: 4 1/5
13 - 215 is -5815.
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Related: 2/3-21/5 1/3-42/5 1/6-21/5 1/3-21/10 1/3-63/5 1/9-21/5 1/3-21/15 5/3-21/5 1/15-21/5 1/3-21/25 7/3-21/5 1/21-21/5 1/3-21/35
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