Solutions by everydaycalculation.com
1st number: 1 1/20, 2nd number: 18/20
2120 - 1820 is 320.
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Related: 42/20-18/20 21/20-36/20 21/40-18/20 21/20-18/40 63/20-18/20 21/20-54/20 21/60-18/20 21/20-18/60 21/20-90/20
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