Question

математика 5 класс
решите первого пожалуйста

Answer 1

1) 3 1/15 + 2 7/25 = 46/15 + 57/25 = (46*5)/75 + (57*3)/75 = 230/75 + 171/75  = 401/75 = 5 26/75

2) = 27/10 +137/15 = (27*3)/30 + (137*2)/30 = 81/30 + 274/30 = 355/30 =
   = 11 25/30 = 11 5/6.

3)  = 7/4 + 204/25 = (7 *25)/100 + (204*4)/100 = 175/100 + 816/100 =
   = 991/100 = 9 91/100