Solutions by everydaycalculation.com
1st number: 1 1/9, 2nd number: 12/18
109 - 1218 is 49.
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Related: 20/9-12/18 10/9-24/18 10/18-12/18 10/9-12/36 30/9-12/18 10/9-36/18 10/27-12/18 10/9-12/54 50/9-12/18 10/9-60/18 10/45-12/18 10/9-12/90 70/9-12/18 10/9-84/18 10/63-12/18
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