Solutions by everydaycalculation.com
1st number: 10 1/2, 2nd number: 10 2/4
212 - 424 is 01.
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Related: 42/2-42/4 21/2-84/4 21/4-42/4 21/2-42/8 63/2-42/4 21/6-42/4 21/2-42/12 21/10-42/4 21/2-42/20 21/14-42/4 21/2-42/28
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