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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
Re-arrange suitably and find the sum in each of the following:
Subtract the first rational number from the second in each of the following:
Subtract the first rational number from the second in each of the following:
Find the value and express as a rational number in standard form:
Insert one rational number between 4.2 and 3.6.
Insert one rational number between `1/2 and 2`.
Mark the following pairs of rational numbers on the separate number lines: `1/4 "and" - 5/4`
For every rational number x, x × 0 = x.
Roller Coaster at an amusement park is `2/3` m high. If a new roller coaster is built that is `3/5` times the height of the existing coaster, what will be the height of the new roller coaster?
Write any three rational numbers between the two number given below.
-4.5 and -4.6
