Advertisements
Advertisements
प्रश्न
Evaluate: `(- 7)/6 + 4/-15 + (-4)/-30`
बेरीज
उत्तर
`(- 7)/6 + 4/-15 + (-4)/-30`
`=(- 7)/6 + (-4)/15 + (4)/30`
`= (- 7 xx 5)/(6 xx 5) + (-4 xx 2)/(15 xx 2) + (4 xx 1)/(30 xx 1)` (∵ L.C.M. of 6, 15, 30 = 30)
`= (-35)/30 + (-8)/30 + 4/30`
`= (- 35 - 8 + 4)/30`
`= (- 43 + 4)/30 = (-39)/30`
shaalaa.com
Concept for Problem Solving Using Operations on Rational Numbers
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Find three rational numbers equivalent to `4/-7`
Find three rational numbers equivalent to `-5/9`
Compare:
`(-5)/8 and 7/-12`
Add: `13/-16 "and" (- 11)/24`
Evaluate: `(- 9)/4 + 13/3 + 25/6`
Evaluate: `2/3 xx -6/7`
Multiply: `2 1/14 "and" -7`
Evaluate: `3 5/12 - 1 2/3`
Evaluate: `- 2/3 - ((- 5)/7)`
What rational number should be subtracted from `- 5/12` to get `5/24`.
