Compare 30/21 and 36/54
1st number: 1 9/21, 2nd number: 36/54
30/21 is greater than 36/54
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,
30/21 = 30 × 18/21 × 18 = 540/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
36/54 = 36 × 7/54 × 7 = 252/378 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 540/378 > 252/378 or 30/21 > 36/54
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