Solutions by everydaycalculation.com
1st number: 16/21, 2nd number: 3 3/8
1621 - 278 is -439168.
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Related: 32/21-27/8 16/21-54/8 16/42-27/8 16/21-27/16 48/21-27/8 16/21-81/8 16/63-27/8 16/21-27/24 80/21-27/8 16/21-27/40 16/21-27/56
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