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분수: 분모 1자리 덧셈3분수7

1
7 3
+
4 3
=
11 3
2
4 8
+
2 8
=
6 8
4
+
2
=
3 4
3
2 8
+
1 8
=
3 8
4
1 3
+
9 3
=
10 3
5
9 3
+
5 3
=
14 3
6
5 2
+
4 2
=
9 2
7
4 6
+
7 6
=
11 6
8
7 3
+
1 3
=
8 3
9
1 8
+
3 8
=
4 8
1
+
3
=
1 2
10
3 3
+
6 3
=
9 3
3
+
6
=
3 1
11
6 3
+
1 3
=
7 3
12
1 4
+
4 4
=
5 4
13
1 6
+
4 6
=
5 6
14
8 4
+
9 4
=
17 4
15
9 8
+
1 8
=
10 8
9
+
1
=
5 4