Solutions by everydaycalculation.com
1st number: 4 2/3, 2nd number: 10 2/7
143 - 727 is -11821.
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Related: 28/3-72/7 14/6-72/7 14/3-72/14 42/3-72/7 14/9-72/7 14/3-72/21 70/3-72/7 14/15-72/7 14/3-72/35 98/3-72/7 14/21-72/7 14/3-72/49
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