Solutions by everydaycalculation.com
1st number: 6/18, 2nd number: 2 6/18
618 + 4218 is 83.
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Related: 12/18+42/18 6/18+84/18 6/36+42/18 6/18+42/36 6/54+42/18 6/18+42/54 30/18+42/18 6/90+42/18 6/18+42/90 42/18+42/18
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