Compare 27/2 and 42/20
1st number: 13 1/2, 2nd number: 2 2/20
27/2 is greater than 42/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
27/2 = 27 × 10/2 × 10 = 270/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
42/20 = 42 × 1/20 × 1 = 42/20 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 270/20 > 42/20 or 27/2 > 42/20
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