Solutions by everydaycalculation.com

649 is smaller than 6381

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

LCM of 49 and 81 is**3969**

Next, find the equivalent fraction of both fractional numbers with denominator 3969 - For the 1st fraction, since 49 × 81 = 3969,

649 = 6 × 8149 × 81 = 4863969 - Likewise, for the 2nd fraction, since 81 × 49 = 3969,

6381 = 63 × 4981 × 49 = 30873969 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 4863969 < 30873969 or 649 < 6381

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