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분수: 분모 1자리 덧셈1분수8

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