All you have to do to solve this problem is multiply the numerators, multiple the denominators, and then simplify.
NUMERATORS:
7x5x6
7x30
210
DENOMINATORS:
3x8x7
24x7
168
You now have 210/168. To simplify, find the GCF of 210 and 168. The GCF is 42. Finally, divide both numbers by the GCF and you will find the final answer.
5/4 is the answer.
