same odp:
pB
a 15
b 17
c 23
d 3
e 2
f 7
g 4
h 3
i 14
j 2
k 14
l 12
p.C
14/3 = 4 i 2/3
9/4 = 2 i 1/4
15/9 = 1 16/9
15/11 = 1 i 4/11
28/15 = 1 i 13/15
25/23 = 1 i 2/23
33/17 = 1 i 16/17
60 /31= 29/31
36/11= 3 i 3/11
20/7= 2i 6/7
35/9 = 3 i 8/9
55/7 = 7 6/7
p.d
15×2/3 =15/1 × 2/3= 10
3/5×20= 3/1 ×4/1 = 12/1=12
4/21 × 7 = 4/3×1/1 =4/3=1i 1/3
5 × 7/20 = 1/1 ×7/4 =7/4= 1i3/4
