Advertisements
Advertisements
Question
Find (x + y) ÷ (x − y), if
\[x = \frac{2}{7}, y = \frac{4}{3}\]
Sum
Advertisements
Solution
\[x = \frac{2}{7}, y = \frac{4}{3}\]
So`(x+y)÷(x+y)=(2/7+4/3)÷(2/7-4/3)`
`=34/21xx21/-22=-17/11`
So`(x+y)÷(x-y)=(-17)/11`
shaalaa.com
Is there an error in this question or solution?
RELATED QUESTIONS
Add the following rational numbers:
\[\frac{5}{36} and \frac{- 7}{12}\]
Add the following rational numbers:
\[\frac{7}{- 18} and \frac{8}{27}\]
What should be added to \[\left( \frac{1}{2} + \frac{1}{3} + \frac{1}{5} \right)\] to get 3?
Simplify:
\[\frac{- 3}{2} + \frac{5}{4} - \frac{7}{4}\]
Simplify:
\[\left( \frac{- 9}{4} \times \frac{5}{3} \right) + \left( \frac{13}{2} \times \frac{5}{6} \right)\]
Simplify:
\[\left( \frac{3}{2} \times \frac{1}{6} \right) + \left( \frac{5}{3} \times \frac{7}{2} \right) - \left( \frac{13}{8} \times \frac{4}{3} \right)\]
Find (x + y) ÷ (x − y), if
\[x = \frac{2}{3}, y = \frac{3}{2}\]
Find the greatest and the smallest rational number among the following.
`(-2)/(3) , (-7)/(9) and (-5)/(6)`
The equivalent rational number of `7/9`, whose denominator is 45 is ______.
All decimal numbers are also rational numbers.
