Solutions by everydaycalculation.com
1st number: 1 9/12, 2nd number: 1 2/30
2112 - 3230 is 4160.
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Related: 42/12-32/30 21/12-64/30 21/24-32/30 21/12-32/60 63/12-32/30 21/12-96/30 21/36-32/30 21/12-32/90 21/60-32/30 21/84-32/30
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