Answer:
The prime factors of 15 are: 1,3,5,15
The prime factors of 21 are: 1,3,7,21
The prime factors of 38 are: 1,3,13,39
The prime factor of 42 is : 1,2,3,6,7,14,21,42
Answer: 16/9 or 1 7/9
Step-by-step explanation:
plug in the values
4 2/3 + 2/3 * 1/2
add the first two values
4 2/3 + 2/3 = 4 4/3 or 5 1/3
multiply 5 1/3 by 1/2
5 1/3 * 1/3 = 16/9 or 1 7/9
