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분수: 분모 2자리 덧셈4분수9

1
5 49
+
2 49
=
7 49
5
+
2
=
1 7
2
2 10
+
5 10
=
7 10
3
5 21
+
2 21
=
7 21
5
+
2
=
1 3
4
2 43
+
9 43
=
11 43
5
9 48
+
2 48
=
11 48
6
2 90
+
3 90
=
5 90
2
+
3
=
1 18
7
3 48
+
5 48
=
8 48
3
+
5
=
1 6
8
5 58
+
4 58
=
9 58
9
4 67
+
2 67
=
6 67
10
2 54
+
8 54
=
10 54
2
+
8
=
5 27
11
8 27
+
6 27
=
14 27
12
6 25
+
5 25
=
11 25
13
5 22
+
3 22
=
8 22
5
+
3
=
4 11
14
3 32
+
7 32
=
10 32
3
+
7
=
5 16
15
7 45
+
9 45
=
16 45