Advertisements
Advertisements
Question
Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find the rational number which when added to x gives y.
Advertisements
Solution
Given, x = `(-4)/9`, y = `5/12` and z = `7/18`
Let we add A to x to get y.
∴ A + x = y
⇒ `A + ((-4)/9) = 5/12`
⇒ `A = 5/12 - (-4/9)`
= `5/12 + 4/9`
= `(5 xx 3 + 4 xx 4)/36` ...[∵ LCM of 12 and 9 = 36]
= `(15 + 16)/36`
= `31/36`
APPEARS IN
RELATED QUESTIONS
Add, the pair of rational numbers, given below, and show that their addition (sum) is also a rational number
`(-2) "and" 2/5`
Carry out the following subtraction involving a rational number.
`4 1/2 - 3 1/3`
Carry out the division of a rational number.
`(-10)/11 div (-11)/10`
Carry out the division of a rational number.
`2/3 div (-4)`
Carry out the division of rational number:
`9/11 div (-8)`
Solve:
`3 2/5 - 2 1/4`
Solve:
`4 3/8 div 25/18`
Satpal walks `2/3 "km from a place P, towards the east and then from there" 1 5/7` km towards west. Where will he be now from P?
Find the sum: `-4 2/3 + 7 5/12`
`(3/4 - 5/8) + 1/2` = __________
