Advertisements
Advertisements
प्रश्न
Add: `(-5)/9 "and" 7/18`
योग
Advertisements
उत्तर
`(-5)/9 "and" 7/18 = (-5)/9 + 7/18`
`= (- 5 xx 2)/(9 xx 2) + (7 xx 1)/(18 xx 1)`
(∵ L.C.M. of 9 and 18 = 18)
`= (- 10)/18 + 7/18`
`= (- 10 + 7)/18 = (- 3)/18`
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: `(-2)/3=6/"x"`
Find x, such that: `(-27)/"x" = 9`
Express the following rational number in the standard form. `(-7)/-20`
Express the following rational numbers to the lowest terms: `(-120)/144`
Add: `(-2)/5 "and" 3/7`
Evaluate: `((-8)/9) xx ((-3)/16)`
Multiply: `3/25 "and" 4/5`
Evaluate: `(7/8 xx 8/7) + ((-5)/9) xx (6/-25)`
Evaluate: `((- 35)/39 xx (- 13)/7) - (7/90 xx (- 18)/14)`
By what rational number should we multiply `20/-9`, so that the product may be `(-5)/9`?
