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Q: Why you need LCM and HCF in maths?

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They are: LCM = 120 and hcf = 8

The LCM is: 900The HCF is: 10

The LCM will help you add and subtract fractions. The GCF will help you simplify fractions.

lcm(9, 12) = 36; hcf(9, 12) = 3.

To find the LCM of 110 and 20, you first need to break them up into their prime factors: 110 = 2x5x11 20 = 2x2x5 The next step is to identify the HCF. In this case the HCF will be 2x5 = 10. To find the LCM you multiply the numbers together and divide by the HCF: 110x20/10 = 220. Thus the LCM of 110 and 20 is 220.

Related questions

it means lowest common multiple. the opposite to it is hcf or highest common factor ^_^

LCM is 20 and the hcf is 10

HCF = 3... LCM = 18 !

HCF is 48 and LCM is 576

HCF is 60 and the LCM is 360

hcf is 1 and LCM is 35

hcf = 42, lcm = 84.

They are: LCM = 120 and hcf = 8

The LCM is: 900The HCF is: 10

The HCF is: 2The LCM is: 2,520

The HCF is always a factor of the LCM of two numbers. The HCF is a factor of both the numbers which are factors of their LCM. Thus the HCF is also a factor of the LCM of the two numbers.

hcf: 1 lcm: 112,038

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