同分母分数加法练习题
1.3/7 + 6/7 =
2.1/2 + 1/2 =
3.5/7 + 5/7 =
4.1/3 + 1/3 =
5.1/8 + 5/8 =
6.2/4 + 1/4 =
7.7/8 + 5/8 =
8.4/7 + 5/7 =
9.1/5 + 2/5 =
10.2/5 + 4/5 =
11.4/5 + 2/5 =
12.2/3 + 1/3 =
13.5/8 + 3/8 =
14.1/8 + 4/8 =
15.3/4 + 3/4 =
16.1/4 + 2/4 =
17.3/5 + 1/5 =
18.1/4 + 3/4 =
19.3/7 + 3/7 =
20.4/6 + 3/6 =