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분수: 분모 2자리 덧셈2분수2

1
2 28
+
5 28
=
7 28
2
+
5
=
1 4
2
5 38
+
1 38
=
6 38
5
+
1
=
3 19
3
1 72
+
5 72
=
6 72
1
+
5
=
1 12
4
5 61
+
1 61
=
6 61
5
1 94
+
4 94
=
5 94
6
4 13
+
2 13
=
6 13
7
2 32
+
7 32
=
9 32
8
3 10
+
7 10
=
10 10
3
+
7
=
1 1
9
5 87
+
4 87
=
9 87
5
+
4
=
3 29
10
4 89
+
1 89
=
5 89
11
3 13
+
7 13
=
10 13
12
7 40
+
5 40
=
12 40
7
+
5
=
3 10
13
5 32
+
7 32
=
12 32
5
+
7
=
3 8
14
7 34
+
1 34
=
8 34
7
+
1
=
4 17
15
1 31
+
4 31
=
5 31