Compare 21/98 and 10/42
21/98 is smaller than 10/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 42 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
21/98 = 21 × 3/98 × 3 = 63/294 - Likewise, for the 2nd fraction, since 42 × 7 = 294,
10/42 = 10 × 7/42 × 7 = 70/294 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 63/294 < 70/294 or 21/98 < 10/42
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