Solutions by everydaycalculation.com
1st number: 2 1/10, 2nd number: 2 10/15
2110 - 4015 is -1730.
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Related: 42/10-40/15 21/10-80/15 21/20-40/15 21/10-40/30 63/10-40/15 21/30-40/15 21/10-40/45 21/50-40/15 21/10-40/75 21/70-40/15
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