Solutions by everydaycalculation.com
1st number: 1/20, 2nd number: 1 5/15
120 - 2015 is -7760.
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Related: 2/20-20/15 1/20-40/15 1/40-20/15 1/20-20/30 3/20-20/15 1/20-60/15 1/60-20/15 1/20-20/45 5/20-20/15 1/20-20/75 7/20-20/15
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