Answer:
Step-by-step explanation:
For #1,
the sum of the biggest and smallest so you would do
2/8 + 1 7/8
make it into an improper fraction
2/8 + 15/8
add the numerators
17/8 = 2 1/8
#2 difference is subtracting so it is the same thing
longest - shortest
15/8-2/8
subtract the numerators
13/8 = 1 5/8
