Compare 10/21 and 35/27
1st number: 10/21, 2nd number: 1 8/27
10/21 is smaller than 35/27
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 21 × 9 = 189,
10/21 = 10 × 9/21 × 9 = 90/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
35/27 = 35 × 7/27 × 7 = 245/189 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/189 < 245/189 or 10/21 < 35/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/21 and 35/27 10/21 and 70/27 10/42 and 35/27 10/21 and 35/54 30/21 and 35/27 10/63 and 35/27 10/21 and 35/81 50/21 and 35/27 70/21 and 35/27