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분수: 분모 1자리 덧셈4분수0

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