Answer :
find the lcm first for 8 and 5 which is 40
closs multiply the 4 given numbers
so,
8x4 +5x3/ 40 (lcm)
32+15/40 = 47/40
47/40 = 1.175
ans = 1.175
hope that helps u out
[tex] \frac{3}{8}+ \frac{4}{5} \\
\\ \frac{3*5}{8*5}= \frac{15}{40} \\
\\ \frac{4*8}{5*8}= \frac{32}{40} \\
\\ \frac{15}{40}+ \frac{32}{40}= \frac{47}{40} \\
\\ \frac{47}{40}=1 \frac{7}{40} \\
\\ Answer:1 \frac{7}{40} \\ [/tex]