Solutions by everydaycalculation.com
1st number: 1 1/20, 2nd number: 1 2/14
2120 - 1614 is -13140.
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Related: 42/20-16/14 21/20-32/14 21/40-16/14 21/20-16/28 63/20-16/14 21/20-48/14 21/60-16/14 21/20-16/42 21/20-80/14 21/20-16/70 21/20-16/98
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