Compare 15/98 and 42/21
1st number: 15/98, 2nd number: 2 0/21
15/98 is smaller than 42/21
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,
15/98 = 15 × 3/98 × 3 = 45/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
42/21 = 42 × 14/21 × 14 = 588/294 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 45/294 < 588/294 or 15/98 < 42/21
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