Solutions by everydaycalculation.com
1st number: 4 0/3, 2nd number: 3/7
123 + 37 is 317.
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Related: 24/3+3/7 12/3+6/7 12/6+3/7 12/3+3/14 36/3+3/7 12/3+9/7 12/9+3/7 12/3+3/21 60/3+3/7 12/3+15/7 12/15+3/7 12/3+3/35 84/3+3/7 12/3+21/7 12/21+3/7 12/3+3/49
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