please check my MATH.

.Mr.jensen bought 2 2/3 gallons of gasoline yesterday.today he bought 3 1/2 more gallons.how many total gallons of gasoline has he bought?

A.5 3/5
b.5 3/6
c.6 1/6
d.5 1/6(i picked this)

Mrs.peters bought 7 1/2 yards of fabric.She needs another 4 7/8 yards.how many yards of fabric does she need altogether?

A.11 1/2
b.4 7/8
c.12 3/8
d.7 1/2(i picked this)

A recipe calls for 3/4 cup of applesauce.jean has 1/8 cup.how much more does she need?

A.1/2
B.5/8(I PICKED THIS)
C.1/4
D.3/8

Tom read for 7/8 of an hour on monday and 2/8 of an hour on tuesday.how much longer did he read on monday than on tuesday?

A.1/2 hour
b.5/8 hour
c.3/4 hour
d.1 1/8 hour