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분수 2자리 (분모가 같은)

1
4 75
+
3 75
=
7 75
2
3 81
+
6 81
=
9 81
3
+
6
=
1 9
3
6 21
+
3 21
=
9 21
6
+
3
=
3 7
4
3 21
+
7 21
=
10 21
5
7 11
+
9 11
=
16 11
6
9 58
+
6 58
=
15 58
7
6 25
+
8 25
=
14 25
8
8 58
+
6 58
=
14 58
8
+
6
=
7 29
9
2 50
+
6 50
=
8 50
2
+
6
=
4 25
10
6 21
+
2 21
=
8 21
11
2 54
+
1 54
=
3 54
2
+
1
=
1 18
12
1 10
+
5 10
=
6 10
1
+
5
=
3 5
13
5 54
+
4 54
=
9 54
5
+
4
=
1 6
14
4 22
+
7 22
=
11 22
4
+
7
=
1 2
15
7 75
+
5 75
=
12 75
7
+
5
=
4 25
▲