Compare 45/18 and 27/12
1st number: 2 9/18, 2nd number: 2 3/12
45/18 is greater than 27/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
45/18 = 45 × 2/18 × 2 = 90/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
27/12 = 27 × 3/12 × 3 = 81/36 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/36 > 81/36 or 45/18 > 27/12
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