Compare 18/21 and 18/98
18/21 is greater than 18/98
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 21 × 14 = 294,
18/21 = 18 × 14/21 × 14 = 252/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
18/98 = 18 × 3/98 × 3 = 54/294 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 252/294 > 54/294 or 18/21 > 18/98
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