Answer:
Step-by-step explanation:
[tex]6\frac{3}{4}+1\frac{5}{8}=6+1+\frac{3}{4}+\frac{5}{8}\\\\=7+\frac{3*2}{4*2}+\frac{5}{8}\\\\=7+\frac{6}{8}+\frac{5}{8}=7+\frac{6+5}{8}\\=7+\frac{11}{8}=7+1\frac{3}{8}=7+1+\frac{3}{8}\\\\=8\frac{3}{8}[/tex]
