Advertisements
Advertisements
प्रश्न
Carry out the following addition of a rational number.
`5/36 + 6/42`
Advertisements
उत्तर
At first, we will calculate the LCM of 36 and 42. The prime factorisation is 36 and 42 is,
36 = 2 × 2 × 3 × 3
42 = 2 × 3 × 7
Now, LCM of 36 and 42 = 2 × 2 × 3 × 3 × 7 = 252
`5/36 + 6/42`
`= (5 xx 7)/(36 xx 7) + (6 xx 6)/(42 xx 6)`
`= 35/252 + 36/252`
`= (35 + 36)/252`
`= 71/252`
संबंधित प्रश्न
Find the sum:
`5/4 + ((-11)/4)`
Evaluate:
`3/7 + (-4)/9 + (-11)/7 + 7/9`
Evaluate:
`(2/(-3) xx 5/4) + (5/9 xx 3/(-10))`
Write the multiplicative inverse.
7
Carry out the division of a rational number.
`(-10)/11 div (-11)/10`
Carry out the division of a rational number.
`2 1/5 div 5 3/6`
Add: `2 1/7 + 3 8/14`.
Additive inverse of `2/3` is ______.
Find the sum of `7/3` and `(-4)/3`.
Complete the following table by finding the sums:
| + | `-1/9` | `4/11` | `(-5)/6` |
| `2/3` | |||
| `-5/4` | `(-39)/44` | ||
| `-1/3` |
