Basic Operations Involving Time

Mathematics

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3 days 4 hours + 2 days 9 hours = 5 days 13 hours

Example of addition days and hours

4 weeks 5 days + 6 days + 2 weeks 4 days = 8 weeks 1 day

Example of addition of weeks and days

1 year 9 months + 3 years 4 months = 5 years 1 month

Example of addition of years and months

4 days 2 hours - 1 day 16 hours - 1 day 9 hours = 25 hours

Example of days and hours

5 weeks 2 days - 6 days = 4 weeks 3 days

Example of substraction of weeks and days

10 years 7 months - 1 year 9 months = 8 years 10 months

Example of subtraction of years and months

3 centuries 20 years - 1 century 36 years = 1 century 84 years

Example of subtraction of centuries and years

3 x 2 days 8 hours = 7 days

Example of multiplication of days and hours

5 x 16 months = 6 years 8 months

Example of years and months

10 x 3 decades 7 yeras = 37 decades

Example of multiplication of decades and years

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