Compare 20/18 and 30/16
1st number: 1 2/18, 2nd number: 1 14/16
20/18 is smaller than 30/16
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
20/18 = 20 × 8/18 × 8 = 160/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
30/16 = 30 × 9/16 × 9 = 270/144 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 160/144 < 270/144 or 20/18 < 30/16
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