Solutions by everydaycalculation.com
1st number: 1/20, 2nd number: 2 0/10
120 - 2010 is -3920.
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Related: 2/20-20/10 1/20-40/10 1/40-20/10 3/20-20/10 1/20-60/10 1/60-20/10 1/20-20/30 5/20-20/10 1/20-20/50 7/20-20/10 1/20-20/70
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