2 and 70
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The factors of 35 are 1, 5, 7, and 35 The factors of 55 are 1, 5, 11, and 55 The common factors of 35 and 72 are 1 and 5
35: 1, 5, 7, 3572: 1, 2, 3, 4, 6, 9, 12, 18, 24, 36, 72The only factor 35 and 72 have in common is 1.GCF = 1
The greatest common denominator of any set of denominators is infinite.
The GCF is 1.
we know that , 1 foot=12 inches Hence,6 feet=72 inches . now ,144 :72 =2:1 so,ratio becomes 2:1