Math, asked by hello039, 8 months ago

Find the rod of greatest length which can measure exactly 42m, 49m and 63m.

Answers

Answered by da4729204

1

Answer:

We need a rod which can measure 42m,49m and 63m.

this means we need LCM of 42, 49, 63

by working out LCM by prime factorization we get,

LCM = 7

rod of greatest length which can measure exactly 42m, 49m and 63m is

7m

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