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분수: 분모 2자리 덧셈3분수6

1
6 13
+
3 13
=
9 13
2
3 21
+
9 21
=
12 21
3
+
9
=
4 7
3
9 24
+
8 24
=
17 24
4
8 12
+
6 12
=
14 12
8
+
6
=
7 6
5
6 63
+
5 63
=
11 63
6
5 38
+
2 38
=
7 38
7
2 22
+
3 22
=
5 22
8
5 33
+
4 33
=
9 33
5
+
4
=
3 11
9
1 74
+
6 74
=
7 74
10
6 73
+
9 73
=
15 73
11
9 33
+
5 33
=
14 33
12
5 25
+
9 25
=
14 25
13
9 19
+
6 19
=
15 19
14
6 54
+
9 54
=
15 54
6
+
9
=
5 18
15
9 16
+
2 16
=
11 16