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분수: 분모 2자리 덧셈5분수1

1
5 10
+
3 10
=
8 10
5
+
3
=
4 5
2
3 20
+
9 20
=
12 20
3
+
9
=
3 5
3
5 39
+
8 39
=
13 39
5
+
8
=
1 3
4
8 42
+
2 42
=
10 42
8
+
2
=
5 21
5
2 24
+
3 24
=
5 24
6
3 30
+
2 30
=
5 30
3
+
2
=
1 6
7
2 84
+
4 84
=
6 84
2
+
4
=
1 14
8
4 17
+
1 17
=
5 17
9
1 99
+
2 99
=
3 99
1
+
2
=
1 33
10
2 91
+
3 91
=
5 91
11
3 76
+
6 76
=
9 76
12
6 78
+
8 78
=
14 78
6
+
8
=
7 39
13
8 27
+
4 27
=
12 27
8
+
4
=
4 9
14
4 48
+
2 48
=
6 48
4
+
2
=
1 8
15
3 42
+
2 42
=
5 42