Compare 12/75 and 15/90
12/75 is smaller than 15/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
12/75 = 12 × 6/75 × 6 = 72/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
15/90 = 15 × 5/90 × 5 = 75/450 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 72/450 < 75/450 or 12/75 < 15/90
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