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분수: 분모 2자리 덧셈2분수9

1
9 42
+
1 42
=
10 42
9
+
1
=
5 21
2
1 11
+
4 11
=
5 11
3
4 93
+
2 93
=
6 93
4
+
2
=
2 31
4
2 71
+
6 71
=
8 71
5
5 56
+
3 56
=
8 56
5
+
3
=
1 7
6
3 35
+
6 35
=
9 35
7
6 42
+
7 42
=
13 42
8
7 89
+
3 89
=
10 89
9
9 31
+
5 31
=
14 31
10
5 64
+
7 64
=
12 64
5
+
7
=
3 16
11
7 35
+
6 35
=
13 35
12
6 62
+
3 62
=
9 62
13
3 29
+
2 29
=
5 29
14
2 48
+
1 48
=
3 48
2
+
1
=
1 16
15
1 52
+
4 52
=
5 52