Answer: 25 1/4
Explanation:
1)convert your mixed numbers into improper fractions; To do this, multiply the denominator by the whole number and then add the numerator.
3 1/4 = 13/4 7 5/7 = 54/7
2)multiply across.
13x54= 702
4 x 7= 28
3)Divide 702 by 28.
702/28= 25 2/28, simplify 2/28 and you get 1/14
Therefore, the answer is 25 1/14