Solutions by everydaycalculation.com
1st number: 5 1/3, 2nd number: 2 12/15
163 - 4215 is 3815.
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Related: 32/3-42/15 16/3-84/15 16/6-42/15 16/3-42/30 48/3-42/15 16/9-42/15 16/3-42/45 80/3-42/15 16/15-42/15 16/3-42/75 16/21-42/15
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