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분수: 분모 2자리 덧셈2분수6

1
2 68
+
3 68
=
5 68
2
3 73
+
4 73
=
7 73
3
4 77
+
3 77
=
7 77
4
+
3
=
1 11
4
3 40
+
1 40
=
4 40
3
+
1
=
1 10
5
1 30
+
3 30
=
4 30
1
+
3
=
2 15
6
3 70
+
1 70
=
4 70
3
+
1
=
2 35
7
1 84
+
3 84
=
4 84
1
+
3
=
1 21
8
3 66
+
1 66
=
4 66
3
+
1
=
2 33
9
1 43
+
2 43
=
3 43
10
2 33
+
8 33
=
10 33
11
8 63
+
3 63
=
11 63
12
3 54
+
5 54
=
8 54
3
+
5
=
4 27
13
5 75
+
2 75
=
7 75
14
2 31
+
5 31
=
7 31
15
5 35
+
4 35
=
9 35