Compare 20/18 and 42/14
1st number: 1 2/18, 2nd number: 3 0/14
20/18 is smaller than 42/14
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
20/18 = 20 × 7/18 × 7 = 140/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
42/14 = 42 × 9/14 × 9 = 378/126 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 140/126 < 378/126 or 20/18 < 42/14
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