What the answer is to this question as a fraction in lowest terms

Answer: 9 3/8
Step-by-step explanation:i converted both mixed numbers into improper fractions to get 15 /7 * 35/8; i then multiplied the two straight across to get 525/56 which could be simplified to 75/8; 8 goes into 75 9 times because 8 times 9 is 72, so 9 is the whole number of the final mixed fraction; 75 minus 72 is 3 so you would put the 3/8, put it together to get 9 3/8