Compare 45/30 and 28/81
1st number: 1 15/30, 2nd number: 28/81
45/30 is greater than 28/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 30 × 27 = 810,
45/30 = 45 × 27/30 × 27 = 1215/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
28/81 = 28 × 10/81 × 10 = 280/810 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1215/810 > 280/810 or 45/30 > 28/81
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