Final answer:
The larger fraction between -1 5/8 and -1 3/8 is -1 3/8 since it is less negative; hence, the answer is B) -1 3/8.
Step-by-step explanation:
To determine which fraction is larger between -1 5/8 and -1 3/8, we can compare the fractional parts since the whole number parts are the same. The fractional part of -1 5/8 is 5/8 and the fractional part of -1 3/8 is 3/8. When comparing negative fractions, the fraction with the smaller absolute value is actually the larger number because it is less negative. Here, 5/8 is greater than 3/8, so -5/8 is less than -3/8. Therefore, -1 3/8 is larger than -1 5/8.
So, the correct answer is B) -1 3/8.