Solutions by everydaycalculation.com
1st number: 1/21, 2nd number: 3 12/21
121 + 7521 is 7621.
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Related: 2/21+75/21 1/42+75/21 1/21+75/42 3/21+75/21 1/63+75/21 1/21+75/63 5/21+75/21 7/21+75/21
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