a) 10:21 − 9:16 =
[R]

b) 5:17 − 2:41 =
[R]

c) 8:00 − 4:21 =
[R]

d) 7:44 − 6:13 =
[R]

e) 7:15 − 5:13 =
[R]

f) 8:20 − 5:21 =
[R]

g) 5:42 − 2:10 =
[R]

h) 12:38 − 9:03 =
[R]

i) 9:19 − 7:23 =
[R]

j) 8:42 − 6:08 =
[R]