hcf and lcm

The lcm and hcf of 4.2,42,0.42and 0.042 is:

Your Answer

Let’s take two fractions (a/b) and (c/d).
To find LCM and HCF of (a/b) and (c/d) the generalized formula will be:
H.C.F = H.C.F of numerators / L.C.M of denominators
L.C.M = L.C.M of numerators / H.C.F of denominators
so LCM will be 42
HCF will be 0.042

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