Advertisements
Advertisements
प्रश्न
Evaluate: `- 5 + 5/-8 + (-5)/(-12)`
योग
Advertisements
उत्तर
`- 5 + 5/-8 + (-5)/(-12)`
`(- 5)/1+ (-5)/8 + (5)/(12)`
`= (- 5 xx 24)/(1 xx 24) + (-5 xx 3)/(8 xx 3) + (5 xx 2)/(12 xx 2)`
(∵ L.C.M. of 1, 8 and 12 = 24)
`= (- 120)/24 + (-15)/24 + (10)/24`
` = (- 120 - 15 + 10)/24 = (- 125)/24`
shaalaa.com
Concept for Problem Solving Using Operations on Rational Numbers
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Find x, such that: `7/-4 = "x"/8`
Subtract : `(-2)/15 "from" (-8)/(15)`
Subtract: `5/8 "from" (-5)/16`
Multiply: `(-13)/15 "and" (-25)/26`
Multiply: `6 2/3 "and" -3/8`
Evaluate: `(11/-9 xx 21/44) + ((-5)/9) xx (63/-100)`
A bus is moving with a speed of 65 `1/2` km per hour. How much distance will it cover in 1 `1/3` hours.
Divide: `(-20)/9 "by" (-5)/9`
What rational number should be subtracted from `- 5/12` to get `5/24`.
Evaluate:
`((-13)/7 xx (- 35)/39) - ((-7)/45 xx (9)/14)`
