Solutions by everydaycalculation.com

17 is smaller than 39

- Find the least common denominator or LCM of the two denominators:

LCM of 7 and 9 is**63**

Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,

17 = 1 × 97 × 9 = 963 - Likewise, for the 2nd fraction, since 9 × 7 = 63,

39 = 3 × 79 × 7 = 2163 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 963 < 2163 or 17 < 39

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