Solutions by everydaycalculation.com

1021 is smaller than 4245

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

LCM of 21 and 45 is**315**

Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 21 × 15 = 315,

1021 = 10 × 1521 × 15 = 150315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,

4245 = 42 × 745 × 7 = 294315 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 150315 < 294315 or 1021 < 4245

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