Answer :
Solution:.
[tex] \frac{1}{4} + \frac{11}{4} + \frac{12}{5} \\ = \frac{1 \times 5 + 11 \times 5 + 12 \times 4}{20} \\ = \frac{5 + 55 + 48}{20} \\ = \frac{108}{20} \\ = 5 \frac{8}{20} \\ = 5 \frac{2}{5} [/tex]
Answer:
[tex]5 \frac{2}{5} [/tex]
Hope it helps.
Do comment if you have any query.