Solutions by everydaycalculation.com
1st number: 2/15, 2nd number: 5 5/7
215 - 407 is -586105.
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Related: 4/15-40/7 2/15-80/7 2/30-40/7 2/15-40/14 6/15-40/7 2/45-40/7 2/15-40/21 10/15-40/7 2/75-40/7 2/15-40/35 14/15-40/7 2/15-40/49
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