Question

1 Find the least length of a rope which can be cut whole number of pieces of lengths 45 cm, 75 cm and 81 CM​

Answer 1

Answer:

201 answer

Step-by-step explanation:

because not whole no be included

Answer 2

Answer:

20m25cm

Step-by-step explanation:

LCM of 45, 75, 81

(45,75,81)÷3

(15,25,27)÷3

(5,25,9)÷5

(1,5,9) ÷5

(1,1,9)÷9

(1,1,1)

LCM= 3×3×5×5×9=2025

2025cm=(2025÷100)=20.25

=20m25cm