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प्रश्न
Carry out the following addition of a rational number.
`5/36 + 6/42`
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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
Add, the pair of rational numbers, given below, and show that their addition (sum) is also a rational number
`(-5)/8` and `3/8`
Evaluate:
`4/7 +0 + (-8)/9 + (-13)/7 + 17/9`
Evaluate:
`3/8 + (-5)/12 + 3/7 + 3/12 + (-5)/8 + (-2)/7`
Write the Additive Inverse(Negative) of : 0
Fill in the Blank:
`(-5)/(-12)`+ its additive inverse = ______
Multiply the following rational number.
`3/11 xx 2/5`
Multiply the following rational number.
`0/6 xx 3/4`
Write the multiplicative inverse.
`-7 1/3`
Add: `5/7 + 9/11`.
Satpal walks `2/3 "km from a place P, towards the east and then from there" 1 5/7` km towards west. Where will he be now from P?
