Compare 12/45 and 18/25
12/45 is smaller than 18/25
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 25 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 45 × 5 = 225,
12/45 = 12 × 5/45 × 5 = 60/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
18/25 = 18 × 9/25 × 9 = 162/225 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 60/225 < 162/225 or 12/45 < 18/25
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