Worksheet on Subtraction of Hours, Minutes and Seconds

Practice the questions given in the worksheet on subtraction of hours, minutes and seconds.

Note: Here we need to subtract the hours, minutes and seconds separately.

I. Find the difference of the following:

1. 84 hr. 37 min. 29 sec. - 4 hr. 29 min. 18 sec.

2. 3 hr. 28 min. 57 sec. - 1 hr. 19 min. 28 sec.

3. 18 hr. 42 min. 36 sec. - 11 hr. 30 min. 29 sec.

4. 7 hr. 17 min. 38 sec. - 3 hr. 11 min. 19 sec.

5. 14 hr. 48 min. 17 sec. - 8 hr. 12 min. 29 sec.

6. 28 hr. 36 min. 04 sec. - 19 hr. 18 min. 09 sec.

7. 29 hr. 14 min. 17 sec. - 14 hr. 12 min. 32 sec.

8. 32 hr. 44 min. 23 sec. - 18 hr. 27 min. 44 sec.

9. 48 hr. 19 min. 17 sec. - 24 hr. 19 min. 28 sec.

10. 19 hr. 14 min. 19 sec. - 12 hr. 36 min. 14 sec.

11. 25 hr. 38 min. 16 sec. - 17 hr. 42 min. 23 sec.

12. 24 hr. 42 min. 32 sec. - 16 hr. 51 min. 40 sec.

13. 34 hr. 46 min. 34 sec. - 16 hr. 55 min. 40 sec.

14. 24 hr. 16 min. 19 sec. - 15 hr. 32 min. 58 sec.

15. 46 hr. 34 min. 46 sec. - 25 hr. 46 min. 52 sec.

16. 32 hr. 07 min. 28 sec. - 14 hr. 14 min. 39 sec.

17. 12 hr. 14 min. 17 sec. - 6 hr. 18 min. 23 sec.

18. 23 hr. 17 min. 07 sec. - 16 hr. 32 min. 12 sec.

19. 24 hr. 17 min. 23 sec. - 16 hr. 24 min. 36 sec.

20. 41 hr. 22 min. 19 sec. - 36 hr. 34 min. 58 sec.

21. 44 hr. 45 min. 37 sec. - 26 hr. 55 min. 49 sec.

22. 27 hr. 17 min. 19 sec. - 25 hr. 32 min. 55 sec.

23. 36 hr. 24 min. 16 sec. - 24 hr. 40 min. 50 sec.

24. 42 hr. 17 min. 48 sec. - 13 hr. 12 min. 37 sec.

25. 42 hr. 24 min. 16 sec. - 26 hr. 14 min. 18 sec.

26. 28 hr. 27 min. 47 sec. - 17 hr. 31 min. 32 sec.

27. 21 hr. 27 min. 33 sec. - 14 hr. 28 min. 36 sec.

28. 44 hr. 12 min. 39 sec. - 16 hr. 31 min. 56 sec.


II. Subtract the given time.

(i) 34 minutes 15 seconds from 40 minutes 37 seconds

(ii) 51 minutes 32 seconds from 59 minutes 12 seconds

(iii) 55 minutes 58 seconds from 2 hours

(iv) 17 hours 22 minutes 16 seconds from 20 hours 37 minutes 48 seconds

(v) 4 years 3 months from 9 years 8 months

(vi) 12 years 8 months from 15 years 6 months

(vii) 6 weeks 4 days from 9 weeks 5 days

(viii) 12 weeks 6 days from a year

 

Answers for the worksheet on subtraction of hours, minutes and seconds are given below.

Answers:


I. 1. 4 hr. 08 min. 11 sec.

2. 2 hr. 09 min. 29 sec.

3. 7 hr. 12 min. 07 sec.

4. 4 hr. 06 min. 19 sec.

5. 6 hr. 35 min. 48 sec.

6. 9 hr. 17 min. 55 sec.

7. 15 hr. 01 min. 45 sec.

8. 14 hr. 16 min. 39 sec.

9. 23 hr. 59 min. 49 sec.

10. 6 hr. 38 min. 05 sec.

11. 7 hr. 55 min. 53 sec.

12. 7 hr. 50 min. 52 sec.

13. 17 hr. 50 min. 54 sec.

14. 8 hr. 43 min. 21 sec.

15. 20 hr. 47 min. 54 sec.

16. 17 hr. 52 min. 49 sec.

17. 5 hr. 55 min. 54 sec.

18. 6 hr. 44 min. 55 sec.

19. 7 hr. 52 min. 47 sec.

20. 4 hr. 47 min. 21 sec.

21. 17 hr. 49 min. 48 sec.

22. 1 hr. 44 min. 24 sec.

23. 11 hr. 43 min. 26 sec.

24. 29 hr. 05 min. 11 sec.

25. 16 hr. 09 min. 58 sec.

26. 10 hr. 56 min. 15 sec.

27. 6 hr. 58 min. 57 sec.

28. 27 hr. 40 min. 43 sec.

Worksheet on Subtraction of Hours, Minutes and Seconds

II. (i) 6 minutes 22 seconds

(ii) 7 minutes 40 seconds

(iii) 1 hour 4 minutes 28 seconds

(iv) 3 hours 15 minutes 32 seconds

(v) 5 years 5 months

(vi) 2 years 10 months

(v) 3 weeks 1 day

(vi) 39 weeks 12 days






4th Grade Math Activities

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