Solutions by everydaycalculation.com

2081 is smaller than 4070

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

LCM of 81 and 70 is**5670**

Next, find the equivalent fraction of both fractional numbers with denominator 5670 - For the 1st fraction, since 81 × 70 = 5670,

2081 = 20 × 7081 × 70 = 14005670 - Likewise, for the 2nd fraction, since 70 × 81 = 5670,

4070 = 40 × 8170 × 81 = 32405670 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 14005670 < 32405670 or 2081 < 4070

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