Advertisements
Advertisements
प्रश्न
Re-arrange suitably and find the sum in each of the following:
\[\frac{- 6}{7} + \frac{- 5}{6} + \frac{- 4}{9} + \frac{- 15}{7}\]
बेरीज
Advertisements
उत्तर
\[(\frac{- 6}{7} + \frac{- 15}{7}) + \frac{- 5}{6} + \frac{- 4}{9}\]
\[ = \left( \frac{- 6 - 15}{7} \right) + \frac{- 5}{6} + \frac{- 4}{9}\]
\[ = \frac{- 21}{7} + \frac{- 5}{6} + \frac{- 4}{9}\]
\[ = \frac{- 378 - 105 - 56}{126}\]
\[ = \frac{- 539}{126}\]
\[ = \frac{- 77}{18}\]
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Add the following rational numbers.
\[\frac{- 15}{4} and \frac{7}{4}\]
Re-arrange suitably and find the sum in each of the following:
\[\frac{1}{8} + \frac{5}{12} + \frac{2}{7} + \frac{7}{12} + \frac{9}{7} + \frac{- 5}{16}\]
Evaluate each of the following:
\[\frac{- 5}{14} - \frac{- 2}{7}\]
Evaluate each of the following:
\[\frac{13}{15} - \frac{12}{25}\]
Fill in the branks:
\[\frac{- 9}{14} + . . . = - 1\]
Multiply:
\[\frac{- 6}{11} \text{by} \frac{- 55}{36}\]
Simplify each of the following and express the result as a rational number in standard form:
\[\frac{- 19}{36} \times 16\]
Find (x + y) ÷ (x − y), if
\[x = \frac{2}{3}, y = \frac{3}{2}\]
Compare: `- 3 "and" 2 3/4 or 11/4`
If `r/s` is a rational number, then s cannot be equal to zero.
