Solutions by everydaycalculation.com
1st number: 3/12, 2nd number: 1 2/30
312 - 3230 is -4960.
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Related: 6/12-32/30 3/12-64/30 3/24-32/30 3/12-32/60 9/12-32/30 3/12-96/30 3/36-32/30 3/12-32/90 15/12-32/30 3/60-32/30 21/12-32/30 3/84-32/30
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