Compare 18/50 and 21/27
18/50 is smaller than 21/27
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 27 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 50 × 27 = 1350,
18/50 = 18 × 27/50 × 27 = 486/1350 - Likewise, for the 2nd fraction, since 27 × 50 = 1350,
21/27 = 21 × 50/27 × 50 = 1050/1350 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 486/1350 < 1050/1350 or 18/50 < 21/27
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