1.

Find HCF of 56 & 98 using repeated subtraction method.

Answer»

Let m = 98, n = 56

m – n = 98 – 56 = 42 ; now m = 56 & n = 42
m – n = 56 – 42 = 14 ; now m = 42 & n = 14
m – n = 42 – 14 = 28 ; now m = 14 & n = 28
m – n = 28 – 14 = 14 ; now = 14 & n = 14

∴ HCF of 98 & 56 is 14.



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