Solutions by everydaycalculation.com
1st number: 1/5, 2nd number: 2 1/10
15 - 2110 is -1910.
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Related: 2/5-21/10 1/5-42/10 1/10-21/10 1/5-21/20 3/5-21/10 1/5-63/10 1/15-21/10 1/5-21/30 1/25-21/10 1/5-21/50 7/5-21/10 1/35-21/10 1/5-21/70
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