Compare 3/84 and 20/49
3/84 is smaller than 20/49
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 84 × 7 = 588,
3/84 = 3 × 7/84 × 7 = 21/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
20/49 = 20 × 12/49 × 12 = 240/588 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 21/588 < 240/588 or 3/84 < 20/49
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