Compare 15/25 and 9/90
15/25 is greater than 9/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
15/25 = 15 × 18/25 × 18 = 270/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
9/90 = 9 × 5/90 × 5 = 45/450 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 270/450 > 45/450 or 15/25 > 9/90
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