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Q: Why you need LCM and HCF in maths?

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LCM is 20 and the hcf is 10

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

HCF = 3... LCM = 18 !

HCF is 48 and LCM is 576

hcf = 42, lcm = 84.

The HCF = 20 The LCM = 600

HCF is 60 and the LCM is 360

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

The LCM is: 900The HCF is: 10

hcf is 1 and LCM is 35

They are: LCM = 120 and hcf = 8

hcf: 1 lcm: 112,038

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.

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

No. The LCM MUST be a multiple of the HCF.

LCM = product/HCF so product = LCM/HCF in this case 380/16 which is 23.75, so the answer to your question is no.

5 and 10 lcm- 10 and hcf= 5

HCF - Highest Common Factor. LCM - Lowest Common Multiple.

i really need help on maths home work can you help me thank you the maths is hcf of prime factors of 196 60 and 28 primes factors 735 and 639 prim factors

The LCM is: 126

HCF = 5LCM = 440

The HCF helps when reducing fractions. The LCM helps when adding or subtracting fractions.

LCM = Product/HCF = 384

124

hcf(5, 15) = 5 lcm(5, 15) = 15.