Compare 21/98 and 15/10
1st number: 21/98, 2nd number: 1 5/10
21/98 is smaller than 15/10
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
21/98 = 21 × 5/98 × 5 = 105/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
15/10 = 15 × 49/10 × 49 = 735/490 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 105/490 < 735/490 or 21/98 < 15/10
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