Compare 90/27 and 21/8
1st number: 3 9/27, 2nd number: 2 5/8
90/27 is greater than 21/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
90/27 = 90 × 8/27 × 8 = 720/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
21/8 = 21 × 27/8 × 27 = 567/216 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 720/216 > 567/216 or 90/27 > 21/8
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