Advertisements
Advertisements
प्रश्न
Simplify:
Advertisements
उत्तर
\[\frac{- 2}{5} - \frac{- 3}{10} - \frac{- 4}{7}\]
\[\text{Taking the L . C . M .} \hspace{0.167em} \text{of the denominators:} \]
\[\frac{- 28}{70} - \frac{- 21}{70} - \frac{- 40}{70}\]
\[ = \frac{( - 28) - ( - 21) - ( - 40)}{70}\]
\[ = \frac{- 28 + 21 + 40}{70}\]
\[ = \frac{33}{70}\]
संबंधित प्रश्न
Evaluate each of the following:
What should be added to \[\left( \frac{1}{2} + \frac{1}{3} + \frac{1}{5} \right)\] to get 3?
Simplify:
Divide:
Find the value and express as a rational number in standard form:
Write any three rational number between the two number given below.
0.3 and -0.5
Mark the following pairs of rational numbers on the separate number lines: `2/5` and `(- 3)/5`
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)
Write any three rational numbers between the two numbers given below.
−2.3 and −2.33
Write any three rational numbers between the two number given below.
-4.5 and -4.6
