Compare 42/12 and 90/27
1st number: 3 6/12, 2nd number: 3 9/27
42/12 is greater than 90/27
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
42/12 = 42 × 9/12 × 9 = 378/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
90/27 = 90 × 4/27 × 4 = 360/108 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 378/108 > 360/108 or 42/12 > 90/27
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