Solutions by everydaycalculation.com
1st number: 21/40, 2nd number: 1 3/7
2140 - 107 is -253280.
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Related: 42/40-10/7 21/40-20/7 21/80-10/7 21/40-10/14 63/40-10/7 21/40-30/7 21/40-10/21 21/40-50/7 21/40-10/35 21/40-70/7 21/40-10/49
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