Solutions by everydaycalculation.com
1st number: 5 1/3, 2nd number: 1 3/15
163 - 1815 is 6215.
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Related: 32/3-18/15 16/3-36/15 16/6-18/15 16/3-18/30 48/3-18/15 16/3-54/15 16/9-18/15 16/3-18/45 80/3-18/15 16/3-90/15 16/15-18/15 16/3-18/75 16/21-18/15
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