1. 15/3:3/3
2. 5:1
1. find the same denominator
2. divide by denominator
First factor each number
39=3*13
52=4*13
Now find the greatest common factor, which in our case is 13.
Answer: 13
Alrighty, so 280.05 rounded to the nearest integer is 280. 280.05 rounded to tenths is 280.1. add those two together and you get 560.1.
17) 146 min.
18) 5 hrs and 31 min
19) -1/6
A and D that’s the answer
