Solutions by everydaycalculation.com
1st number: 1 1/20, 2nd number: 1/10
2120 - 110 is 1920.
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Related: 42/20-1/10 21/20-2/10 21/40-1/10 21/20-1/20 63/20-1/10 21/20-3/10 21/60-1/10 21/20-1/30 21/20-5/10 21/20-1/50 21/20-7/10 21/20-1/70
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