Question

the LCM of two numbers is 45 and the HCF is 3 if one number is 9 then find the other number​

Answer 1

Answer:

Let the LCM be x

The HCF is 45×x=45x

Sum of LCM and HCF x+45x=1150

46x=1150

x=

46

1150

x=25

So LCM is 25 and HCF is 45×25=1125

Let a,b be two numbers

We know that ab=LCM×HCF

225×b=25×1125

b=

225

28125

b=125

So the other number is 125

Answer 2

Answer:

The missing number is 15

Step-by-step explanation:

HCF × LCM=Number × Number

Missing number=x

45×3=x×9

45×3=135

135÷9=15

x=15

I hope this helps

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