Solutions by everydaycalculation.com
1st number: 1 3/15, 2nd number: 4/9
1815 - 49 is 3445.
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Related: 36/15-4/9 18/15-8/9 18/30-4/9 18/15-4/18 54/15-4/9 18/15-12/9 18/45-4/9 18/15-4/27 90/15-4/9 18/15-20/9 18/75-4/9 18/15-4/45 18/15-28/9 18/15-4/63
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