Compare 27/30 and 7/9
27/30 is greater than 7/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
27/30 = 27 × 3/30 × 3 = 81/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
7/9 = 7 × 10/9 × 10 = 70/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 81/90 > 70/90 or 27/30 > 7/9
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