Solutions by everydaycalculation.com
1st number: 1/5, 2nd number: 1 1/20
15 - 2120 is -1720.
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Related: 2/5-21/20 1/5-42/20 1/10-21/20 1/5-21/40 3/5-21/20 1/5-63/20 1/15-21/20 1/5-21/60 1/25-21/20 7/5-21/20 1/35-21/20
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