2 3/4 divide 1 1/5
Convert the mixed numbers to improper fractions
2 + 3/4 = 11/4
1 + 1/5 = 6/5 so we have
11/4 ÷ 6/5 invert the second fraction and multiply
11/4 * 5/6 = 55/24 = 2 + 7/24