Solutions by everydaycalculation.com
1st number: 1/2, 2nd number: 1 3/7
12 - 107 is -1314.
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Related: 1/2-20/7 1/4-10/7 1/2-10/14 3/2-10/7 1/2-30/7 1/6-10/7 1/2-10/21 5/2-10/7 1/2-50/7 1/10-10/7 1/2-10/35 7/2-10/7 1/2-70/7 1/14-10/7 1/2-10/49
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