Compare 5/25 and 18/45
5/25 is smaller than 18/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
5/25 = 5 × 9/25 × 9 = 45/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
18/45 = 18 × 5/45 × 5 = 90/225 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 45/225 < 90/225 or 5/25 < 18/45
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