Question

Carla washed 3/5 of her laundry yesterday and another 1 /4 please help ​

Answer 1

17/20

Explanation:

3/5+1/4=12/20+5/20 (you want to find a common denominater, so its easier to add up.)

12/20+5/20=17/20, so Carla has finished washing 17/20 of her laundry.