Solutions by everydaycalculation.com
1st number: 7/20, 2nd number: 8 4/10
720 - 8410 is -16120.
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Related: 14/20-84/10 7/40-84/10 7/20-84/20 21/20-84/10 7/60-84/10 7/20-84/30 35/20-84/10 7/20-84/50 49/20-84/10 7/20-84/70
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