Compare 21/6 and 27/20
1st number: 3 3/6, 2nd number: 1 7/20
21/6 is greater than 27/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 6 × 10 = 60,
21/6 = 21 × 10/6 × 10 = 210/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
27/20 = 27 × 3/20 × 3 = 81/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 210/60 > 81/60 or 21/6 > 27/20
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