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분수: 분모 2자리 덧셈4분수7

1
4 70
+
1 70
=
5 70
4
+
1
=
1 14
2
2 21
+
6 21
=
8 21
3
6 41
+
2 41
=
8 41
4
6 32
+
7 32
=
13 32
5
7 14
+
1 14
=
8 14
7
+
1
=
4 7
6
1 47
+
3 47
=
4 47
7
8 93
+
4 93
=
12 93
8
+
4
=
4 31
8
4 85
+
2 85
=
6 85
9
2 13
+
5 13
=
7 13
10
5 44
+
8 44
=
13 44
11
4 18
+
8 18
=
12 18
4
+
8
=
2 3
12
8 33
+
4 33
=
12 33
8
+
4
=
4 11
13
4 21
+
2 21
=
6 21
4
+
2
=
2 7
14
2 13
+
3 13
=
5 13
15
3 85
+
2 85
=
5 85
3
+
2
=
1 17