Solutions by everydaycalculation.com
1st number: 1 3/9, 2nd number: 6/12
129 - 612 is 56.
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Related: 24/9-6/12 12/18-6/12 12/9-6/24 36/9-6/12 12/9-18/12 12/27-6/12 12/9-6/36 60/9-6/12 12/9-30/12 12/45-6/12 12/9-6/60 84/9-6/12 12/9-42/12 12/63-6/12 12/9-6/84
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