Solutions by everydaycalculation.com
1st number: 4/21, 2nd number: 2 3/21
421 + 4521 is 73.
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Related: 8/21+45/21 4/21+90/21 4/42+45/21 4/21+45/42 12/21+45/21 4/63+45/21 4/21+45/63 20/21+45/21 28/21+45/21
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