Solutions by everydaycalculation.com
1st number: 1 9/12, 2nd number: 4 6/12
2112 - 5412 is -114.
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Related: 42/12-54/12 21/24-54/12 21/12-54/24 63/12-54/12 21/36-54/12 21/12-54/36 21/60-54/12 21/12-54/60 21/84-54/12 21/12-54/84
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