Answer: 1/4
Step-by-step explanation:
To subtract mixed fractions, you need to first trun them into improper fractions.
[tex]2\frac{1}{8} =\frac{17}{8}[/tex]
[tex]1\frac{7}{8} =\frac{15}{8}[/tex]
[tex]\frac{17}{8} -\frac{15}{8} =\frac{2}{8} =\frac{1}{4}[/tex]
