Solutions by everydaycalculation.com
1st number: 1/3, 2nd number: 1 3/9
13 - 129 is -11.
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Related: 2/3-12/9 1/3-24/9 1/6-12/9 1/3-12/18 1/3-36/9 1/9-12/9 1/3-12/27 5/3-12/9 1/3-60/9 1/15-12/9 1/3-12/45 7/3-12/9 1/3-84/9 1/21-12/9 1/3-12/63
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