Solutions by everydaycalculation.com
1st number: 16/21, 2nd number: 1 5/9
1621 - 149 is -5063.
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Related: 32/21-14/9 16/21-28/9 16/42-14/9 16/21-14/18 48/21-14/9 16/21-42/9 16/63-14/9 16/21-14/27 80/21-14/9 16/21-70/9 16/21-14/45 16/21-98/9 16/21-14/63
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