Solutions by everydaycalculation.com
1st number: 4 0/2, 2nd number: 2 0/4
82 - 84 is 21.
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Related: 16/2-8/4 8/2-16/4 8/4-8/4 24/2-8/4 8/2-24/4 8/6-8/4 8/2-8/12 40/2-8/4 8/2-40/4 8/10-8/4 8/2-8/20 56/2-8/4 8/2-56/4 8/14-8/4 8/2-8/28
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