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분수: 분모 2자리 덧셈4분수5

1
4 51
+
3 51
=
7 51
2
3 90
+
2 90
=
5 90
3
+
2
=
1 18
3
2 58
+
8 58
=
10 58
2
+
8
=
5 29
4
8 61
+
9 61
=
17 61
5
9 29
+
1 29
=
10 29
6
1 77
+
2 77
=
3 77
7
2 13
+
1 13
=
3 13
8
1 60
+
5 60
=
6 60
1
+
5
=
1 10
9
5 81
+
3 81
=
8 81
10
7 13
+
6 13
=
13 13
7
+
6
=
1 1
11
6 71
+
1 71
=
7 71
12
1 62
+
6 62
=
7 62
13
6 59
+
9 59
=
15 59
14
9 16
+
3 16
=
12 16
9
+
3
=
3 4
15
3 31
+
1 31
=
4 31