Step-by-step explanation:
[tex]7 \times \frac{1}{12} [/tex]
+
[tex]4 \times \frac{4}{6} [/tex]
=
[tex] \frac{85}{12} [/tex]
+
[tex] \frac{25}{6} [/tex]
=
[tex] \frac{85 + 25 \times 2}{12} [/tex]
=
[tex] \frac{135}{12} [/tex]
=
[tex] \frac{45}{4} [/tex]