Compare 3/5 and 3/21
35 is greater than 321
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 5 × 21 = 105,
35 = 3 × 215 × 21 = 63105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
321 = 3 × 521 × 5 = 15105 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 63105 > 15105 or 35 > 321
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