Advertisements
Advertisements
Question
Carry out the following addition of a rational number.
`5/36 + 6/42`
Advertisements
Solution
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`
RELATED QUESTIONS
Find the sum:
`-2 1/3 + 4 3/5`
Write the Additive Inverse(Negative) of : `(-3)/1`
Fill in the blank:
Additive inverse of `(-5)/(-12)`= --------
Carry out the following addition of a rational number.
`11/17 + 13/19`
Carry out the following subtraction involving a rational number.
`1 2/3 - 3 5/6`
Carry out the following subtraction involving a rational number.
`4 1/2 - 3 1/3`
Write the multiplicative inverse.
7
Find the sum: `6/5 + ((-14)/15)`
Find the sum of `7/3` and `(-4)/3`.
What should be added to `(-1)/2` to obtain the nearest natural number?
