Compare 30/20 and 21/35
1st number: 1 10/20, 2nd number: 21/35
30/20 is greater than 21/35
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
30/20 = 30 × 7/20 × 7 = 210/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
21/35 = 21 × 4/35 × 4 = 84/140 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 210/140 > 84/140 or 30/20 > 21/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20 and 21/35 30/20 and 42/35 30/40 and 21/35 30/20 and 21/70 90/20 and 21/35 30/20 and 63/35 30/60 and 21/35