Compare 21/14 and 90/54
1st number: 1 7/14, 2nd number: 1 36/54
21/14 is smaller than 90/54
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 14 × 27 = 378,
21/14 = 21 × 27/14 × 27 = 567/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
90/54 = 90 × 7/54 × 7 = 630/378 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 567/378 < 630/378 or 21/14 < 90/54
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