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Question
Evaluate each of the following:
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Solution
\[\frac{7}{24} - \frac{19}{36} = \frac{21}{72} - \frac{38}{72} = \frac{21 - 38}{72} = \frac{- 17}{72}\]
RELATED QUESTIONS
Add the following rational numbers.
Evaluate each of the following:
Simplify:
Find any five rational numbers less than 2.
Arrange the following rational numbers in descending order.
`(-7)/(10), (-8)/(15) and (-11)/(30)`
Every whole number is a rational number.
The average life expectancies of males for several states are shown in the table. Express each decimal in the form `p/q` and arrange the states from the least to the greatest male life expectancy. State-wise data are included below; more indicators can be found in the “FACTFILE” section on the homepage for each state.
| State | Male | `bb(p/q)` form | Lowest terms |
| Andhra Pradesh | 61.6 | ||
| Assam | 57.1 | ||
| Bihar | 60.7 | ||
| Gujarat | 61.9 | ||
| Haryana | 64.1 | ||
| Himachal Pradesh | 65.1 | ||
| Karnataka | 62.4 | ||
| Kerala | 70.6 | ||
| Madhya Pradesh | 56.5 | ||
| Maharashtra | 64.5 | ||
| Orissa | 57.6 | ||
| Punjab | 66.9 | ||
| Rajasthan | 59.8 | ||
| Tamil Nadu | 63.7 | ||
| Uttar Pradesh | 58.9 | ||
| West Bengal | 62.8 | ||
| India | 60.8 |
Source: Registrar General of India (2003) SRS Based Abridged Lefe Tables. SRS Analytical Studies, Report No. 3 of 2003, New Delhi: Registrar General of India. The data are for the 1995-99 period; states subsequently divided are therefore included in their pre-partition states (Chhatisgarh in MP, Uttaranchal in UP and Jharkhand in Bihar)
In a rational number, denominator always has to be a non-zero integer.
Write the following numbers in the form `p/q`, where p and q are integers:
Opposite of three-fifths
Write the rational number whose numerator and denominator are respectively as under:
25 + 15 and 81 ÷ 40
