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분수: 분모 2자리 덧셈1분수6

1
6 21
+
7 21
=
13 21
2
7 13
+
9 13
=
16 13
3
9 52
+
3 52
=
12 52
9
+
3
=
3 13
4
3 41
+
8 41
=
11 41
5
8 21
+
7 21
=
15 21
8
+
7
=
5 7
6
7 84
+
5 84
=
12 84
7
+
5
=
1 7
7
5 12
+
7 12
=
12 12
5
+
7
=
1 1
8
7 22
+
1 22
=
8 22
7
+
1
=
4 11
9
1 16
+
3 16
=
4 16
1
+
3
=
1 4
10
4 33
+
8 33
=
12 33
4
+
8
=
4 11
11
8 52
+
3 52
=
11 52
12
4 40
+
3 40
=
7 40
13
3 99
+
5 99
=
8 99
14
4 95
+
3 95
=
7 95
15
3 23
+
8 23
=
11 23