Solutions by everydaycalculation.com
1st number: 4 0/3, 2nd number: 6/15
123 + 615 is 225.
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Related: 24/3+6/15 12/3+12/15 12/6+6/15 12/3+6/30 36/3+6/15 12/3+18/15 12/9+6/15 12/3+6/45 60/3+6/15 12/3+30/15 12/15+6/15 12/3+6/75 84/3+6/15 12/3+42/15 12/21+6/15
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