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분수: 분모 2자리 덧셈4분수8

1
4 85
+
3 85
=
7 85
2
3 74
+
2 74
=
5 74
3
2 45
+
3 45
=
5 45
2
+
3
=
1 9
4
3 13
+
1 13
=
4 13
5
9 21
+
6 21
=
15 21
9
+
6
=
5 7
6
6 54
+
9 54
=
15 54
6
+
9
=
5 18
7
9 69
+
1 69
=
10 69
8
1 56
+
2 56
=
3 56
9
2 47
+
3 47
=
5 47
10
3 44
+
7 44
=
10 44
3
+
7
=
5 22
11
7 56
+
6 56
=
13 56
12
6 28
+
9 28
=
15 28
13
9 34
+
1 34
=
10 34
9
+
1
=
5 17
14
1 20
+
5 20
=
6 20
1
+
5
=
3 10
15
5 36
+
9 36
=
14 36
5
+
9
=
7 18