5. \( 15 \times 2 \frac{2}{3} \)
40
Step 1 :\( 15 \times 2\frac{2}{3} \)
Step 2 :\( 15 \times \frac{8}{3} \)
Step 3 :\( \frac{15 \times 8}{3} \)
Step 4 :\( \frac{120}{3} \)
Step 5 :40