Solutions by everydaycalculation.com
1st number: 1/8, 2nd number: 2 0/4
18 - 84 is -158.
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Related: 2/8-8/4 1/8-16/4 1/16-8/4 3/8-8/4 1/8-24/4 1/24-8/4 1/8-8/12 5/8-8/4 1/8-40/4 1/40-8/4 1/8-8/20 7/8-8/4 1/8-56/4 1/56-8/4 1/8-8/28
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