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분수: 분모 2자리 덧셈3분수1

1
3 12
+
1 12
=
4 12
3
+
1
=
1 3
2
1 16
+
4 16
=
5 16
3
4 14
+
1 14
=
5 14
4
2 71
+
1 71
=
3 71
5
1 73
+
4 73
=
5 73
6
4 37
+
1 37
=
5 37
7
1 34
+
6 34
=
7 34
8
6 51
+
2 51
=
8 51
9
5 12
+
3 12
=
8 12
5
+
3
=
2 3
10
3 52
+
4 52
=
7 52
11
4 10
+
5 10
=
9 10
12
5 53
+
7 53
=
12 53
13
7 26
+
3 26
=
10 26
7
+
3
=
5 13
14
3 43
+
2 43
=
5 43
15
2 14
+
5 14
=
7 14
2
+
5
=
1 2