(20 16/25 + 13 9/25) + (23 4 /14 + 7 13/14)= 34 + 31 3/14 = 65 3/14
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(20 16/25 + 13 9/25) + (23 4 /14 + 7 13/14)= 34 + 31 3/14 = 65 3/14