Solutions by everydaycalculation.com
1st number: 16/21, 2nd number: 3 6/7
1621 - 277 is -6521.
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Related: 32/21-27/7 16/21-54/7 16/42-27/7 16/21-27/14 48/21-27/7 16/21-81/7 16/63-27/7 16/21-27/21 80/21-27/7 16/21-27/35 16/21-27/49
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