16. $$ \frac{7}{8}-\frac{2}{3} $$

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To subtract the fractions $$ \frac{7}{8} - \frac{2}{3} $$, follow these steps:

### Step 1: Find a Common Denominator
The denominators of the two fractions are 8 and 3. To subtract them, we first need to find a common denominator. The **least common multiple (LCM)** of 8 and 3 is 24.

### Step 2: Convert Each Fraction
Convert each fraction to an equivalent form with the common denominator of 24.

1. **Convert $$ \frac{7}{8} $$ to a denominator of 24:**
   $$
   \frac{7}{8} = \frac{7 \times 3}{8 \times 3} = \frac{21}{24}
   $$

2. **Convert $$ \frac{2}{3} $$ to a denominator of 24:**
   $$
   \frac{2}{3} = \frac{2 \times 8}{3 \times 8} = \frac{16}{24}
   $$

### Step 3: Subtract the Numerators
Now that both fractions have the same denominator, subtract the numerators:

$$
\frac{21}{24} - \frac{16}{24} = \frac{21 - 16}{24} = \frac{5}{24}
$$

### Final Answer
$$
\frac{7}{8} - \frac{2}{3} = \frac{5}{24}
$$
$$ \frac{7}{8} - \frac{2}{3} = \frac{5}{24} $$

16. \( \frac{7}{8}-\frac{2}{3} \)

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