Answer:
3/5
Step-by-step explanation:
If this kid uses 2/5 for nachos and another 1/5 for tacos that totals the anount of cheese used to 3/5. What we notice about the denominators is that they are same, or that there are five "portions" of cheese in the bag, I dot really understand what u mean by what do you notice about the denominators other that they are the same