Before you add the fractions, make sure they have a common denominator. The LCM of 6, 3, and 4 is 12.
[tex] 6 \times 2 = 12 \\ 3 \times 4 = 12 \\ 4 \times 3 = 12 [/tex]
Change each fraction so that they have a common denominator.
[tex] \frac{1 \times 2}{6 \times 2} = \frac{2}{12} [/tex]
[tex] \frac{2 \times 4}{3 \times 4} = \frac{8}{12} [/tex]
[tex] \frac{1 \times 3}{4 \times 3} = \frac{3}{12} [/tex]
Now add the 3 fractions:
[tex] \frac{2}{12} + \frac{8}{12} + \frac{3}{12} = \frac{13}{12} \rightarrow 1 \frac{1}{12} [/tex]
Your answer is 1 [tex] \frac{1}{12} [/tex]
