The H.C.F. of 9⁄10, 12⁄25, 18⁄35 and 21⁄40 is:

Question

Accepted Answer

Required H.C.F. = H.C.F. of 9, 12, 18, 21 = 3 L.C.M. of 10, 25, 35, 40 1400

Required H.C.F. =	H.C.F. of 9, 12, 18, 21	=	3
	L.C.M. of 10, 25, 35, 40		1400

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