Compare 90/25 and 21/8
1st number: 3 15/25, 2nd number: 2 5/8
90/25 is greater than 21/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
90/25 = 90 × 8/25 × 8 = 720/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
21/8 = 21 × 25/8 × 25 = 525/200 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 720/200 > 525/200 or 90/25 > 21/8
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