Compare 15/4 and 21/25
1st number: 3 3/4, 2nd number: 21/25
15/4 is greater than 21/25
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
15/4 = 15 × 25/4 × 25 = 375/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
21/25 = 21 × 4/25 × 4 = 84/100 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 375/100 > 84/100 or 15/4 > 21/25
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