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प्रश्न
Simplify:
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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
Subtract the first rational number from the second in each of the following:
Evaluate each of the following:
Evaluate each of the following:
What number should be added to \[\frac{- 5}{7}\] to get\[\frac{- 2}{3}?\]
Fill in the blanks:
Write the following rational number in `p/q` form.
`15.bar89`
Every whole number is a rational number.
Write the following numbers in the form `p/q`, where p and q are integers:
Zero
Write the rational number whose numerator and denominator are respectively as under:
5 – 39 and 54 – 6
150 students are studying English, Maths or both. 62 per cent of the students are studying English and 68 per cent are studying Maths. How many students are studying both?
