Question

the hcf and lcm of 2 numbers are 9 and 90 respectively if one number is 18 then the other is

Answer 1

HCF: 9

LCM: 90

N1: 18

N2: ?

HCF×LCM=N1×N2

9×90=18×?

?=810/18

N2=45

The other number is 45

Answer 2

Answer:

45

Step-by-step explanation:

Let the other number be x

LCM×HCF=Product of two numbers

90×9= 18×x

$\frac{90 \times 9}{18} = x \\ x = 45$