Compare 2/72 and 21/98
2/72 is smaller than 21/98
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 98 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 72 × 49 = 3528,
2/72 = 2 × 49/72 × 49 = 98/3528 - Likewise, for the 2nd fraction, since 98 × 36 = 3528,
21/98 = 21 × 36/98 × 36 = 756/3528 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 98/3528 < 756/3528 or 2/72 < 21/98
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