Advertisements
Advertisements
Question
Subtract:
`4/7-(-8)/9-(-13)/7+17/9`
Sum
Advertisements
Solution
`4/7-(-8)/9-(-13)/7+17/9`
⇒ `(4/7-(-13)/7)-((-8)/9-17/9)`
⇒ `(4/7+13/7)-((-8)/9-17/9)`
⇒ `17/7-((-25)/9)`
⇒ `17/7+25/9` (∴LCM of 7 and 9 = 63)
⇒ `(17xx9+25xx7)/63`
⇒ `(153+175)/63` ⇒ `328/63` ⇒ `5 13/63`
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Find `7/24 - 17/36`
Find `-2 1/9 - 6`.
Evaluate:
`2/3 - 4/5`
Subtract:
`(-8)/11 ` from `4/11`
Subtract:
`4/9` from `(-5)/9`
Evaluate:
`(-5)/18 - (-2)/9`
The sum of the two rational numbers is -6, If one of them is `(-8)/5`, Find the other.
Evaluate:
`3/7+(-4)/9-(-11)/7-7/9`
Subtract: `2 1/5 - (- 1)/3`
Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find the rational number which subtracted from y gives z.
