Solutions by everydaycalculation.com
1st number: 12/21, 2nd number: 4 6/21
1221 + 9021 is 347.
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Related: 24/21+90/21 12/42+90/21 12/21+90/42 36/21+90/21 12/63+90/21 12/21+90/63 60/21+90/21 84/21+90/21
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