Compare 7/90 and 18/25
7/90 is smaller than 18/25
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
7/90 = 7 × 5/90 × 5 = 35/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
18/25 = 18 × 18/25 × 18 = 324/450 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 35/450 < 324/450 or 7/90 < 18/25
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