Question

3 3/7 - 3,25 +2 1/14=(3 3/7-2 1/14)+3,25=(3 6/14-2 1/14)+3,25=1 5/14+3,25=(?)

Answer 1

1 5/14 + 3,25 = 19/14 + 3 25/100 = 19/14 + 3 1/4= 19/14 + 13/4 = 38/28 + 91/28 = 129/28 = 4 17/28