Solutions by everydaycalculation.com
1st number: 1 3/12, 2nd number: 12/20
1512 - 1220 is 1320.
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Related: 30/12-12/20 15/12-24/20 15/24-12/20 15/12-12/40 45/12-12/20 15/12-36/20 15/36-12/20 15/12-12/60 75/12-12/20 15/12-60/20 15/60-12/20 15/12-84/20 15/84-12/20
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