Compare 3/21 and 2/54
3/21 is greater than 2/54
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 21 × 18 = 378,
3/21 = 3 × 18/21 × 18 = 54/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
2/54 = 2 × 7/54 × 7 = 14/378 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 54/378 > 14/378 or 3/21 > 2/54
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