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분수: 분모 1자리 덧셈2분수4

1
2 4
+
8 4
=
10 4
2
+
8
=
5 2
2
8 2
+
2 2
=
10 2
8
+
2
=
5 1
3
6 2
+
8 2
=
14 2
6
+
8
=
7 1
4
8 8
+
2 8
=
10 8
8
+
2
=
5 4
5
2 7
+
8 7
=
10 7
6
8 6
+
3 6
=
11 6
7
3 9
+
2 9
=
5 9
8
2 3
+
7 3
=
9 3
2
+
7
=
3 1
9
1 6
+
6 6
=
7 6
10
2 6
+
6 6
=
8 6
2
+
6
=
4 3
11
4 6
+
2 6
=
6 6
4
+
2
=
1 1
12
5 2
+
1 2
=
6 2
5
+
1
=
3 1
13
1 2
+
8 2
=
9 2
14
8 3
+
3 3
=
11 3
15
3 2
+
1 2
=
4 2
3
+
1
=
2 1