Solutions by everydaycalculation.com
1st number: 3 9/12, 2nd number: 7/15
4512 - 715 is 19760.
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Related: 90/12-7/15 45/12-14/15 45/24-7/15 45/12-7/30 45/12-21/15 45/36-7/15 45/12-7/45 45/12-35/15 45/60-7/15 45/12-7/75 45/12-49/15 45/84-7/15
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