Answer:
Solution given:
[tex] 2\frac{3}{5}-1 \frac{3}{8}[/tex]
[tex]\frac{2*5+3}{5}-\frac{1*8+3}{8}[/tex]
[tex]\frac{13}{5}-\frac{11}{8}[/tex]
taking LCM
[tex]\frac{13*8-11*5}{5*8}[/tex]
[tex]\frac{49}{40}[/tex]
1[tex]\frac{9}{40}[/tex]
is a required answer.