Compare 12/75 and 15/45
12/75 is smaller than 15/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
12/75 = 12 × 3/75 × 3 = 36/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
15/45 = 15 × 5/45 × 5 = 75/225 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 36/225 < 75/225 or 12/75 < 15/45
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