Solutions by everydaycalculation.com
1st number: 2 0/3, 2nd number: 3/7
63 + 37 is 177.
Related: 12/3+3/7 6/3+6/7 6/3+3/14 18/3+3/7 6/3+9/7 6/9+3/7 6/3+3/21 30/3+3/7 6/3+15/7 6/15+3/7 6/3+3/35 42/3+3/7 6/3+21/7 6/21+3/7 6/3+3/49
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