Advertisements
Advertisements
प्रश्न
Add, the pair of rational numbers, given below, and show that their addition (sum) is also a rational number.
`5/(-6) "and" 2/3`
Advertisements
उत्तर
`5/(-6) + 2/3`
| 2 | 6, 3 |
| 3 | 3, 3 |
| 1, 1 |
LCM of 6, 3 = 2 × 3 = 6
= `(-5 xx1)/(6xx1) + (2xx2)/(3xx2)`
(LCM of 6 and 3 = 6)
= `(-5+4)/6`
= `(-1)/6`
Which is rational number.
APPEARS IN
संबंधित प्रश्न
For each set of rational number, given below, verify the associative property of addition of rational number:
(i) `1/2 , 2/3 "and"-1/6`
Evaluate:
`3/7 + (-4)/9 + (-11)/7 + 7/9`
Evaluate:
`(8/5 xx (-3)/2) + ((-3)/10 xx 9/16)`
Carry out the following subtraction involving a rational number.
`13/36 - 2/40`
Multiply the following rational number.
`(-8)/9 xx 3/4`
Write the multiplicative inverse.
7
Carry out the division of a rational number.
`(-7)/8 div (-3)/6`
Solve:
`4 3/8 div 25/18`
Add: `5/7 + 9/11`.
The value of `(-5)/12 + 7/15` = ________
