Answer:
[tex]\frac{15}{8}[/tex] or [tex]1\frac{7}{8}[/tex]
Step-by-step explanation:
[tex]2\frac{1}{4}-\frac{3}{8}[/tex]
[tex]2\frac{2}{8}-\frac{3}{8}[/tex] <-- Get same denominator
[tex]\frac{18}{8}-\frac{3}{8}[/tex] <-- Turn mixed number into improper fraction
[tex]\frac{15}{8}[/tex] or [tex]1\frac{7}{8}[/tex]
