Solution:Concept- In mathematics, a fraction is represented by a number that identifies a portion of a whole. A fraction is a component or section taken from a whole, which can be any number, a certain amount, or an object. Let's use an illustration to better comprehend this idea. The pizza in the following image has been sliced into 8 equally sized pieces.
Here, we'll go on by determining the LCM of the integers (3, 4, and 6), which are present in the fractions whose sum we need to determine.
LCM of 3,4 and 6 is, 2×2×3=12
Hence, the correct answer is option 1) .