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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:
The sum of two numbers is \[\frac{- 1}{3} .\] If one of the numbers is \[\frac{- 12}{3},\] find the other.
Fill in the branks:
Simplify:
Divide:
If `r/s` is a rational number, then s cannot be equal to zero.
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?
Zero is a rational number.
Express `3/4` as a rational number with denominator:
36
Write the following numbers in the form `p/q`, where p and q are integers:
One-fourth
