Solutions by everydaycalculation.com
1st number: 1 4/12, 2nd number: 12/20
1612 - 1220 is 1115.
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Related: 32/12-12/20 16/12-24/20 16/24-12/20 16/12-12/40 48/12-12/20 16/12-36/20 16/36-12/20 16/12-12/60 80/12-12/20 16/12-60/20 16/60-12/20 16/12-84/20 16/84-12/20
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