Advertisements
Advertisements
प्रश्न
Evaluate:
`4/7 +0 + (-8)/9 + (-13)/7 + 17/9`
Advertisements
उत्तर
`4/7 + (-8)/9 + (-13)/7 + 17/9`
`= [4/7 + ((-13)/7)] + ((-8)/9 + 17/9)`
`= (4/7) - 13/7 + (-8)/9 + 17/9`
`= (-9)/7 + 9/9 = (-9)/7 + 1`
`= (-9xx1)/(7xx1) + (1xx7)/(1xx7)`
(LCM of 1 and 7 = 7)
`= (-9)/7 + 7/7 = (-2)/7`
APPEARS IN
संबंधित प्रश्न
Find the sum:
`5/3 + 3/5`
Add, the pair of rational numbers, given below, and show that their addition (sum) is also a rational number
`(-5)/8` and `3/8`
Add, the pair of rational numbers, given below, and show that their addition (sum) is also a rational number
`(-8)/13 "and (-4)/13`
Evaluate:
`3/8 + (-5)/12 + 3/7 + 3/12 + (-5)/8 + (-2)/7`
Fill in the Blank
If `a/b` is additive inverse of `(-c)/d`, then `(-c)/d` is additive inverse of ------.
Carry out the following addition of a rational number.
`5/36 + 6/42`
Carry out the following subtraction involving a rational number.
`4 1/2 - 3 1/3`
Write the multiplicative inverse.
`(-17)/39`
Add: `2 1/7 + 3 8/14`.
Complete the following table by finding the sums:
| + | `-1/9` | `4/11` | `(-5)/6` |
| `2/3` | |||
| `-5/4` | `(-39)/44` | ||
| `-1/3` |
