Compare 21/35 and 7/9
21/35 is smaller than 7/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 9 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
21/35 = 21 × 9/35 × 9 = 189/315 - Likewise, for the 2nd fraction, since 9 × 35 = 315,
7/9 = 7 × 35/9 × 35 = 245/315 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 189/315 < 245/315 or 21/35 < 7/9
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