The L.C.M. and H.C.F. of two numbers are 720 and 5 respectively . If one of the two numbers is 45 find the other number.
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Answer:
HCF INTO LCM = PRODUCT OF TWO NUMBERS..
720 x 5 = 45 x Y
Y = ( 720 x 5 ) / 45
Y = 80
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LCM of two numbers - 720
HCF of two numbers- 5
One of the numbers - 45
Other number - ?
1st no. x 2nd no. = HCF x LCM
2nd no. = HCF x LCM
1st no.
HCF x LCM/ one number
= 5 x 720/45
= 5 x 16 ( number is 16 because you divided 720 by 45)
=80
So, the other no. is 80
HCF of two numbers- 5
One of the numbers - 45
Other number - ?
1st no. x 2nd no. = HCF x LCM
2nd no. = HCF x LCM
1st no.
HCF x LCM/ one number
= 5 x 720/45
= 5 x 16 ( number is 16 because you divided 720 by 45)
=80
So, the other no. is 80
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