Solutions by everydaycalculation.com
1st number: 2 8/10, 2nd number: 5 4/10
2810 - 5410 is -135.
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Related: 56/10-54/10 28/20-54/10 28/10-54/20 84/10-54/10 28/30-54/10 28/10-54/30 28/50-54/10 28/10-54/50 28/70-54/10 28/10-54/70
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