Advertisements
Advertisements
Question
Re-arrange suitably and find the sum in each of the following:
Advertisements
Solution
\[ (\frac{3}{5} + \frac{9}{5}) + (\frac{- 7}{3} + \frac{7}{3}) + \frac{- 13}{15}\]
\[ = \left( \frac{3 + 9}{5} \right) + \left( \frac{- 7 + 7}{3} \right) + \frac{- 13}{15}\]
\[ = \frac{12}{5} + \frac{- 13}{15}\]
\[ = \frac{36 - 13}{15}\]
\[ = \frac{23}{15}\]
RELATED QUESTIONS
Fill in the branks:
Multiply:
Simplify:
For each set of rational number, given below, verify the associative property of addition of rational number:
(iv) `-1, 5/6 and (-2)/3`
Write down a rational number numerator (-5) x (-4) and denominator (28 – 27) x (8 – 5).
Insert a rational number between:
`(5)/(9) and (6)/(7)`
Insert a rational number between:
101 and 102
Insert five rational number between:
`(2)/(5) and (2)/(3)`
For every rational number x, x × 0 = x.
The diagram shows the wingspans of different species of birds. Use the diagram to answer the question given below:
| Golden eagle | Blue jay |
 |
 |
How much longer is the wingspan of a Golden eagle than the wingspan of a Blue jay?
