Solutions by everydaycalculation.com

521 is smaller than 3035

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

LCM of 21 and 35 is**105**

Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 21 × 5 = 105,

521 = 5 × 521 × 5 = 25105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,

3035 = 30 × 335 × 3 = 90105 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 25105 < 90105 or 521 < 3035

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