To divide the mixed numbers 8 3/8 by 1 1/4, first convert the mixed numbers to improper fractions.
8 3/8 = (8 * 8 + 3) / 8 = 67/8
1 1/4 = (1 * 4 + 1) / 4 = 5/4
Now, divide the two fractions:
67/8 ÷ 5/4 = 67/8 * 4/5
= (67 * 4) / (8 * 5)
= 268/40
= 67/10
So, 8 3/8 ÷ 1 1/4 = 67/10.
