Answer :

Given H.C.F of two numbers = 9

L.C.M of two numbers = 90

One number = 18

Another number = ? (let it be x)

According to the formula

**L.C.M × H.C.F = Product of the Numbers**

⇒ A × B = L.C.M (A, B) × H.C.F (A, B) where A, B are two numbers

⇒ 18 × x = 90 × 9

⇒

Hence the other number is 45.

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