Compare 81/25 and 21/6
1st number: 3 6/25, 2nd number: 3 3/6
81/25 is smaller than 21/6
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 6 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 25 × 6 = 150,
81/25 = 81 × 6/25 × 6 = 486/150 - Likewise, for the 2nd fraction, since 6 × 25 = 150,
21/6 = 21 × 25/6 × 25 = 525/150 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 486/150 < 525/150 or 81/25 < 21/6
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