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분수: 분모 2자리 덧셈4분수2

1
4 21
+
6 21
=
10 21
2
6 27
+
4 27
=
10 27
3
4 16
+
2 16
=
6 16
4
+
2
=
3 8
4
2 35
+
9 35
=
11 35
5
9 36
+
7 36
=
16 36
9
+
7
=
4 9
6
7 51
+
2 51
=
9 51
7
+
2
=
3 17
7
2 26
+
3 26
=
5 26
8
3 10
+
2 10
=
5 10
3
+
2
=
1 2
9
2 37
+
3 37
=
5 37
10
3 70
+
4 70
=
7 70
3
+
4
=
1 10
11
4 65
+
1 65
=
5 65
4
+
1
=
1 13
12
1 16
+
5 16
=
6 16
1
+
5
=
3 8
13
6 56
+
1 56
=
7 56
6
+
1
=
1 8
14
1 33
+
4 33
=
5 33
15
4 65
+
9 65
=
13 65
4
+
9
=
1 5