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분수: 분모 1자리 덧셈2분수4

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