Answer:
3 1/2 = 7/2 7 4/5 = 39/5
Explanation:
3 1/2, take the whole number and multiply by the denominator; 3 * 2 = 6, and then add 1. 6 + 1 = 7. 7/2
7 4/5, take the whole number and multiply by the denominator; 7 * 5 = 35, and add 4. 35 + 4 = 39. 39/5