Answer:
3 1/2 +7/15×11/4
7/2 +7/15×11/4
119/30×11/4
1309/120
[tex]{ \tt{(3 \frac{1}{2} + \frac{7}{15} ) \times 1\frac{1}{4} }} \\ \\ = { \tt{ \frac{119}{30} \times \frac{5}{4} }} \\ \\ = 4 \frac{23}{24} [/tex]