Compare 20/18 and 45/3
1st number: 1 2/18, 2nd number: 15 0/3
20/18 is smaller than 45/3
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 3 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
20/18 = 20 × 1/18 × 1 = 20/18 - Likewise, for the 2nd fraction, since 3 × 6 = 18,
45/3 = 45 × 6/3 × 6 = 270/18 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 20/18 < 270/18 or 20/18 < 45/3
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