Compare 15/5 and 21/27
1st number: 3 0/5, 2nd number: 21/27
15/5 is greater than 21/27
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 5 × 27 = 135,
15/5 = 15 × 27/5 × 27 = 405/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
21/27 = 21 × 5/27 × 5 = 105/135 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 405/135 > 105/135 or 15/5 > 21/27
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