Solutions by everydaycalculation.com
1st number: 1/18, 2nd number: 7 0/9
118 - 639 is -12518.
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Related: 2/18-63/9 1/36-63/9 1/18-63/18 3/18-63/9 1/54-63/9 1/18-63/27 5/18-63/9 1/90-63/9 1/18-63/45 7/18-63/9
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