Advertisements
Advertisements
प्रश्न
Evaluate:
`5/21 - (-13)/42`
बेरीज
Advertisements
उत्तर
| 2 | 21, 42 |
| 3 | 21, 21 |
| 7 | 7, 7 |
| 1, 1 |
LCM of 21, 42 = 2 x 3 x 7 = 42
`= (5xx2)/(21xx2) - (-13xx1)/(42xx1)`
LCM of 21 and 42 = 42)
`= (10+13)/42 = 23/42`
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Find `(-6)/13 - ((- 7)/15)`.
Find `-2 1/9 - 6`.
Evaluate:
`2/3 - 4/5`
Subtract:
`(-5)/8` from `(-13)/16`
The sum of the two rational numbers is -6, If one of them is `(-8)/5`, Find the other.
Subtract:
`4/7-(-8)/9-(-13)/7+17/9`
Evaluate:
`(2xx1/4) - ((-18)/7 xx (-7)/15)`
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.
What should be subtracted from `(-2)/3` to obtain the nearest integer?
