Solutions by everydaycalculation.com
1st number: 18 0/4, 2nd number: 21 0/4
724 - 844 is -31.
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Related: 72/8-84/4 72/4-84/8 72/12-84/4 72/4-84/12 72/20-84/4 72/4-84/20 72/28-84/4 72/4-84/28
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