Solutions by everydaycalculation.com
1st number: 1/3, 2nd number: 6 3/12
13 - 7512 is -7112.
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Related: 2/3-75/12 1/6-75/12 1/3-75/24 1/9-75/12 1/3-75/36 5/3-75/12 1/15-75/12 1/3-75/60 7/3-75/12 1/21-75/12 1/3-75/84
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