Compare 18/30 and 6/90
18/30 is greater than 6/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
18/30 = 18 × 3/30 × 3 = 54/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
6/90 = 6 × 1/90 × 1 = 6/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 54/90 > 6/90 or 18/30 > 6/90
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