Solutions by everydaycalculation.com
1st number: 4 1/12, 2nd number: 12/15
4912 - 1215 is 19760.
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Related: 98/12-12/15 49/12-24/15 49/24-12/15 49/12-12/30 49/12-36/15 49/36-12/15 49/12-12/45 49/12-60/15 49/60-12/15 49/12-12/75 49/12-84/15 49/84-12/15
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