Solutions by everydaycalculation.com
1st number: 1 8/12, 2nd number: 21/24
2012 - 2124 is 1924.
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Related: 40/12-21/24 20/12-42/24 20/24-21/24 20/12-21/48 60/12-21/24 20/12-63/24 20/36-21/24 20/12-21/72 20/60-21/24 20/84-21/24
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