Solutions by everydaycalculation.com
1st number: 1 1/20, 2nd number: 2/20
2120 - 220 is 1920.
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Related: 42/20-2/20 21/20-4/20 21/40-2/20 21/20-2/40 63/20-2/20 21/20-6/20 21/60-2/20 21/20-2/60 21/20-10/20 21/20-14/20
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