Answer:
[tex]2\frac{1}{4}[/tex]
Explanation:
[tex]1\frac{3}{8} - -\frac{7}{8} = 1\frac{3}{8} + \frac{7}{8} = 1\frac{10}{8} = 2\frac{2}{8} = 2\frac{1}{4}[/tex]
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