Question

IL. Add the following,
1) 4hr 40min and 6hr 10min
2) 3hr 30min and 2hr 20min
3) 2hr 50min and 3hr 40min
4) Shr 30min and 2hr 50min
5) 3hr 15min 18s and Ihr 19min 17s
6) 2hr 30min 40s and 4hr 50min 30s
7) 5hr 45min 30s and 3hr 25min 40s
8) 3yr 8mth and 2yr 7mth
9) Syr 6mth and 4yr Omth​

Answer 1

Answer:

1) 10hr 50min

2) 5hr 50min

3) 6hr 30min

4) 8hr 20min

5) 4hr 34min 35s

6) 7hr 21min 10s

7) 9hr 16min 10s

8)6yr 3mth

9)9yr 6mth

Answer 2

Answer:

1. 10 hr 50 min

2.5hr 50 min

3. 6hr 30 min

5.4hr 34 min 35 s

6. 7hr 21 min 10 s

7. 9 hr 12 min 10 s

8. 6 yr 2 mth

I just don't understood question no. 4 and 9