Solutions by everydaycalculation.com

1^{st} number: 1 3/21, 2^{nd} number: 3 10/20

2421 is smaller than 7020

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

LCM of 21 and 20 is**420**

Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 21 × 20 = 420,

2421 = 24 × 2021 × 20 = 480420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,

7020 = 70 × 2120 × 21 = 1470420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 480420 < 1470420 or 2421 < 7020

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