Compare 90/18 and 21/25
1st number: 5 0/18, 2nd number: 21/25
90/18 is greater than 21/25
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
90/18 = 90 × 25/18 × 25 = 2250/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
21/25 = 21 × 18/25 × 18 = 378/450 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2250/450 > 378/450 or 90/18 > 21/25
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