Add. Write your answer as a fraction or as a whole or mixed number. 10 1/8 + 3/8 =

To add the mixed number (10 frac{1}{8}) and the fraction (frac{3}{8}), follow these steps:

1. Convert the mixed number to an improper fraction:

[

10 frac{1}{8} = frac{10 times 8 + 1}{8} = frac{80 + 1}{8} = frac{81}{8}

]

2. Add the fractions:

[

frac{81}{8} + frac{3}{8} = frac{81 + 3}{8} = frac{84}{8}

]

3. Simplify the fraction:

[

frac{84}{8} = frac{42}{4} = frac{21}{2}

]

4. Convert back to a mixed number:

[

frac{21}{2} = 10 frac{1}{2}

]

So, the final answer is (10 frac{1}{2}).