Compare 1/84 and 9/15
1/84 is smaller than 9/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
1/84 = 1 × 5/84 × 5 = 5/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
9/15 = 9 × 28/15 × 28 = 252/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 5/420 < 252/420 or 1/84 < 9/15
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