2. $$ 1 \frac{5}{6}-\frac{7}{8}= $$

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To solve the expression $$ 1 \frac{5}{6} - \frac{7}{8} $$, follow these steps:

1. **Convert the Mixed Number to an Improper Fraction:**

$$ 1 \frac{5}{6} $$ can be converted to an improper fraction as follows:
   
   $$
   1 \frac{5}{6} = \frac{6 \times 1 + 5}{6} = \frac{11}{6}
   $$

2. **Identify a Common Denominator:**

To subtract the fractions $$ \frac{11}{6} $$ and $$ \frac{7}{8} $$, find a common denominator. The least common denominator (LCD) of 6 and 8 is 24.

3. **Convert Both Fractions to Have the Common Denominator:**

$$
   \frac{11}{6} = \frac{11 \times 4}{6 \times 4} = \frac{44}{24}
   $$
   
   $$
   \frac{7}{8} = \frac{7 \times 3}{8 \times 3} = \frac{21}{24}
   $$

4. **Subtract the Fractions:**

$$
   \frac{44}{24} - \frac{21}{24} = \frac{23}{24}
   $$

So,

$$
1 \frac{5}{6} - \frac{7}{8} = \frac{23}{24}
$$

**Answer:** $$ \frac{23}{24} $$
$$ \frac{23}{24} $$

2. \( 1 \frac{5}{6}-\frac{7}{8}= \)

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