Solutions by everydaycalculation.com
23 - 59 is 19.
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Related: 4/3-5/9 2/3-10/9 2/6-5/9 2/3-5/18 6/3-5/9 2/3-15/9 2/9-5/9 2/3-5/27 10/3-5/9 2/3-25/9 2/15-5/9 2/3-5/45 14/3-5/9 2/3-35/9 2/21-5/9 2/3-5/63
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