Solutions by everydaycalculation.com

6398 is greater than 670

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

LCM of 98 and 70 is**490**

Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,

6398 = 63 × 598 × 5 = 315490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,

670 = 6 × 770 × 7 = 42490 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 315490 > 42490 or 6398 > 670

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