Compare 30/90 and 7/18
30/90 is smaller than 7/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
30/90 = 30 × 1/90 × 1 = 30/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
7/18 = 7 × 5/18 × 5 = 35/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 30/90 < 35/90 or 30/90 < 7/18
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