Solutions by everydaycalculation.com
1st number: 1/2, 2nd number: 8 4/10
12 - 8410 is -7910.
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Related: 1/4-84/10 1/2-84/20 3/2-84/10 1/6-84/10 1/2-84/30 5/2-84/10 1/10-84/10 1/2-84/50 7/2-84/10 1/14-84/10 1/2-84/70
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