Solutions by everydaycalculation.com

1^{st} number: 1 15/20, 2^{nd} number: 21/81

3520 is greater than 2181

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

LCM of 20 and 81 is**1620**

Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 20 × 81 = 1620,

3520 = 35 × 8120 × 81 = 28351620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,

2181 = 21 × 2081 × 20 = 4201620 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 28351620 > 4201620 or 3520 > 2181

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