Solutions by everydaycalculation.com
1st number: 3 3/5, 2nd number: 5 5/7
185 - 407 is -7435.
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Related: 36/5-40/7 18/5-80/7 18/10-40/7 18/5-40/14 54/5-40/7 18/15-40/7 18/5-40/21 90/5-40/7 18/25-40/7 18/5-40/35 18/35-40/7 18/5-40/49
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