Solutions by everydaycalculation.com

624 is smaller than 2130

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

LCM of 24 and 30 is**120**

Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,

624 = 6 × 524 × 5 = 30120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,

2130 = 21 × 430 × 4 = 84120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 30120 < 84120 or 624 < 2130

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