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분수: 분모 1자리 덧셈4분수3

1
4 3
+
2 3
=
6 3
4
+
2
=
2 1
2
2 2
+
9 2
=
11 2
3
9 4
+
7 4
=
16 4
9
+
7
=
4 1
4
7 4
+
2 4
=
9 4
5
2 3
+
3 3
=
5 3
6
3 2
+
8 2
=
11 2
7
8 2
+
3 2
=
11 2
8
2 3
+
6 3
=
8 3
9
6 3
+
2 3
=
8 3
10
2 8
+
3 8
=
5 8
11
3 6
+
1 6
=
4 6
3
+
1
=
2 3
12
1 9
+
7 9
=
8 9
13
7 2
+
2 2
=
9 2
14
3 2
+
8 2
=
11 2
15
8 6
+
1 6
=
9 6
8
+
1
=
3 2