Solutions by everydaycalculation.com
1st number: 10/12, 2nd number: 2 1/10
1012 - 2110 is -1915.
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Related: 20/12-21/10 10/12-42/10 10/24-21/10 10/12-21/20 30/12-21/10 10/12-63/10 10/36-21/10 10/12-21/30 50/12-21/10 10/60-21/10 10/12-21/50 70/12-21/10 10/84-21/10 10/12-21/70
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