find hcf and lcm of two no. are 9 and 90 respectively if one no. is 18 find the other
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No 1 = 18
Hcf = 9
Lcm= 90
No 2= x
So, lcm x hcf = no 1 x no 2
90 x 9 = 18 x X
18 x = 90 x 9
X = 90 x 9 ÷ 18
Thus X= 45 which is no 2
Hcf = 9
Lcm= 90
No 2= x
So, lcm x hcf = no 1 x no 2
90 x 9 = 18 x X
18 x = 90 x 9
X = 90 x 9 ÷ 18
Thus X= 45 which is no 2
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