Compare 42/27 and 30/20
1st number: 1 15/27, 2nd number: 1 10/20
42/27 is greater than 30/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
42/27 = 42 × 20/27 × 20 = 840/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
30/20 = 30 × 27/20 × 27 = 810/540 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 840/540 > 810/540 or 42/27 > 30/20
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