patulong po need Kona po kasi ito ngayun Sana matulungan nyo po ako <3

Answer:
1.
[tex] \frac{9}{20} [/tex]
2.
[tex] \frac{1}{12} [/tex]
Step-by-step explanation:
1.
[tex] \frac{1}{4} + \frac{1}{5} = \frac{9}{20} [/tex]
2.
[tex] \frac{5}{6} - \frac{6}{8} = \frac{1}{12} [/tex]