Two Digit Addition, with possible carry action

Your math activity has been given a fun name, to help you find it later: yellow donkey 84
1
19
+
35
1
56
+
20
1
20
+
28
1
25
+
54
1
46
+
42
1
43
+
46
1
54
+
11
1
66
+
23
1
31
+
27
1
49
+
45
1
16
+
68
1
47
+
15