Compare 1/3 and 21/25
1/3 is smaller than 21/25
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 25 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 3 × 25 = 75,
1/3 = 1 × 25/3 × 25 = 25/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
21/25 = 21 × 3/25 × 3 = 63/75 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 25/75 < 63/75 or 1/3 < 21/25
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