Solutions by everydaycalculation.com

2570 is greater than 420

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

LCM of 70 and 20 is**140**

Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,

2570 = 25 × 270 × 2 = 50140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,

420 = 4 × 720 × 7 = 28140 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 50140 > 28140 or 2570 > 420

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