11) 2
12) 2
13) 3
14) 2
15) 3
I'm very sorry i'm only able to give you the answer.
Answer:
11.)LCM=120
PFM of 24=2³ x 3
PFM of 40=2³ × 5
12.)LCM=40
PFM of 8=2³
PFM of 10=2 × 5
13.)LCM=90
PFM of 30=2 x 3 x 5 or 2^1 3^1 5^1
PFM of 45= 3² × 5
14.)LCM=120
CD of 24 and 40= 8
15.)LCM=90
CD of 30 and 45=15
Step-by-step explanation:
