Solutions by everydaycalculation.com
1st number: 16/21, 2nd number: 2 7/10
1621 - 2710 is -407210.
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Related: 32/21-27/10 16/21-54/10 16/42-27/10 16/21-27/20 48/21-27/10 16/21-81/10 16/63-27/10 16/21-27/30 80/21-27/10 16/21-27/50 16/21-27/70
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