Compare 2/70 and 21/20
1st number: 2/70, 2nd number: 1 1/20
2/70 is smaller than 21/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
2/70 = 2 × 2/70 × 2 = 4/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
21/20 = 21 × 7/20 × 7 = 147/140 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 4/140 < 147/140 or 2/70 < 21/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/70 and 21/20 2/70 and 42/20 2/70 and 21/40 6/70 and 21/20 2/70 and 63/20 2/70 and 21/60 10/70 and 21/20 14/70 and 21/20