Solutions by everydaycalculation.com
1st number: 5 1/3, 2nd number: 6 6/7
163 - 487 is -3221.
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Related: 32/3-48/7 16/3-96/7 16/6-48/7 16/3-48/14 48/3-48/7 16/9-48/7 16/3-48/21 80/3-48/7 16/15-48/7 16/3-48/35 16/21-48/7 16/3-48/49
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