3 4⁄6 * 1 1⁄3 * 2 1⁄4 =

Mixed numbers are never fun, so let's make it easier by changing the mixed numbers to an improper fraction

what you do is:

multiply the denominator with the whole number and then add the numerator to your answer to get your improper fraction

3 4/6 = 22/6

1 1/3 = 4/3

2 1/4 = 9/4

22/6*4/3*9/4

numerators: 22*4*9 = 792

denominators: 6*3*4=72

792/72 = 11

The answer to your question is 11