Solutions by everydaycalculation.com
1st number: 10 2/4, 2nd number: 5/12
424 - 512 is 12112.
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Related: 84/4-5/12 42/4-10/12 42/8-5/12 42/4-5/24 42/4-15/12 42/12-5/12 42/4-5/36 42/4-25/12 42/20-5/12 42/4-5/60 42/4-35/12 42/28-5/12 42/4-5/84
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