Compare 18/54 and 7/30
18/54 is greater than 7/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
18/54 = 18 × 5/54 × 5 = 90/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
7/30 = 7 × 9/30 × 9 = 63/270 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/270 > 63/270 or 18/54 > 7/30
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