Compare 81/27 and 20/45
1st number: 3 0/27, 2nd number: 20/45
81/27 is greater than 20/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
81/27 = 81 × 5/27 × 5 = 405/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
20/45 = 20 × 3/45 × 3 = 60/135 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 405/135 > 60/135 or 81/27 > 20/45
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