Compare 90/27 and 21/6
1st number: 3 9/27, 2nd number: 3 3/6
90/27 is smaller than 21/6
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 6 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
90/27 = 90 × 2/27 × 2 = 180/54 - Likewise, for the 2nd fraction, since 6 × 9 = 54,
21/6 = 21 × 9/6 × 9 = 189/54 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/54 < 189/54 or 90/27 < 21/6
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