Tolong dijawab yg c, d sama e nya doang, mohon dibantu

C. 2 1/3+ 3/4
= 7/3+3/4
= 28/12 + 9/12
= 37/12 = 3 1/12

2

a.4/9+2/9=6/9

b.3/6+5/6=8/6

c.2 1/3+3/4=2 4/12+9/12=3 1/12

d.2/3+3 5/9=6/9+3 5/9=3 7/9

e.2/3+2 1/2+3 1/4=8/12+2 6/12+3 3/12=6 5/12