Make them all fractions over 4, so 3 would be 12/4, and 1 1/4 would be 5/4 so add them together
12/4+5/4= 17/4 then divide by 4 to reduce it, to get 4 1/4
Reflexive Property of Equality: a=a, b=b, etc.
Your answer would be: 5=5, as that fits the property.
I hope this helps :)
Step-by-step explanation:

If you’re looking for the probability it’s 1/10