Compare 5/98 and 18/21
5/98 is smaller than 18/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 21 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
5/98 = 5 × 3/98 × 3 = 15/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
18/21 = 18 × 14/21 × 14 = 252/294 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 15/294 < 252/294 or 5/98 < 18/21
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