Compare 18/21 and 35/9
1st number: 18/21, 2nd number: 3 8/9
18/21 is smaller than 35/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
18/21 = 18 × 3/21 × 3 = 54/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
35/9 = 35 × 7/9 × 7 = 245/63 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 54/63 < 245/63 or 18/21 < 35/9
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