Сложите дроби: 1/3+1/4 , 1/2+1/6 , 1/4+1/5 , 1/4+1/8 , 3/5+9/10 , 1/12+1/6 , 2/3+5,6 , 1/2+3/10 , 1/6 + 5/12 , 6/120+ 3/10 , 11/49 + 6/7 , 9/16 + 50/100.

1) ⅓+¼ = 4/12+3/12 = 7/12
2) ½+1/6 = 3/6+1/6 = 4/6 = ⅔
3) ¼+1/5 = 5/20+4/20 = 9/20
4) 3/5+9/10 = 6/10+9/10 = 15/10 = 1,5
5) 1/12+1/6 = 1/12+2/12 = 3/12 = ¼
6) ⅔+5,6 = ⅔+5 6/10 = ⅔+56/10 = 20/30+ 168/10 = 188/10 = 18,8
7) ½+3/10 = 5/10+3/10 = 8/10 = 0,8
8) 1/6+5/12 = 2/12+5/12 = 7/12
9) 6/120+3/10 = 6/120+36/120 = 42/120 = 0.35
10) 11/49+6/7 = 11/49+42/49 = 53/49 = 1 4/49
11) 9/16+50/100 = 9/16+1/2 = 9/16+8/16 = 17/16 = 1 1/16