(3 1/2 + 2 1/2)x(3 3/6-1 1/4) tlong jwb

(3 1/2 + 2 1/2)x(3 3/6-1 1/4)
(5 1/2)(2 3/12)
10 3/24 = 10 1/8
Maaf ya kalau salah:v

(3 1/2 + 2 1/2) × (3 3/6 - 1 1/4)
(6) × (3 6/12 - 1 3/12)
(6) × (2 3/12)
(6) × (2 1/4)
6 × 2 1/4
6 × 9/4
= 13,5