Solutions by everydaycalculation.com
1st number: 1/20, 2nd number: 9 0/10
120 - 9010 is -17920.
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Related: 2/20-90/10 1/40-90/10 1/20-90/20 3/20-90/10 1/60-90/10 1/20-90/30 5/20-90/10 1/20-90/50 7/20-90/10 1/20-90/70
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