Solutions by everydaycalculation.com
1st number: 1/28, 2nd number: 5 5/7
128 - 407 is -15928.
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Related: 2/28-40/7 1/28-80/7 1/56-40/7 1/28-40/14 3/28-40/7 1/84-40/7 1/28-40/21 5/28-40/7 1/28-40/35 7/28-40/7 1/28-40/49
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