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분수: 분모 2자리 덧셈5분수7

1
5 77
+
6 77
=
11 77
5
+
6
=
1 7
2
3 46
+
1 46
=
4 46
3
+
1
=
2 23
3
1 38
+
7 38
=
8 38
1
+
7
=
4 19
4
7 31
+
2 31
=
9 31
5
1 20
+
8 20
=
9 20
6
8 46
+
1 46
=
9 46
7
1 52
+
8 52
=
9 52
8
8 35
+
4 35
=
12 35
9
3 41
+
6 41
=
9 41
10
6 71
+
4 71
=
10 71
11
4 45
+
2 45
=
6 45
4
+
2
=
2 15
12
2 57
+
8 57
=
10 57
13
8 52
+
7 52
=
15 52
14
7 26
+
2 26
=
9 26
15
2 26
+
1 26
=
3 26