find the L.C.M and H.C.F 12,21
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Answer:
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Step-by-step explanation:
84 is the answer.......
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2
Answer:
L.C.M. 12 AND 21
2|12. 3|21
2|6. 3|7
3|3. 7|7
|1. |1.
H.C.F. 12 and 21
12=1,2,3,4,6,12.
21=1,3,7,21.
so h.c.f =3.
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