Solutions by everydaycalculation.com
1st number: 1 2/7, 2nd number: 1 8/10
97 - 1810 is -1835.
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Related: 18/7-18/10 9/7-36/10 9/14-18/10 9/7-18/20 27/7-18/10 9/7-54/10 9/21-18/10 9/7-18/30 45/7-18/10 9/7-90/10 9/35-18/10 9/7-18/50 63/7-18/10 9/49-18/10 9/7-18/70
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