Compare 21/10 and 9/70
1st number: 2 1/10, 2nd number: 9/70
21/10 is greater than 9/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
21/10 = 21 × 7/10 × 7 = 147/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
9/70 = 9 × 1/70 × 1 = 9/70 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 147/70 > 9/70 or 21/10 > 9/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/10 and 9/70 21/10 and 18/70 21/20 and 9/70 63/10 and 9/70 21/10 and 27/70 21/30 and 9/70 21/10 and 45/70 21/50 and 9/70 21/10 and 63/70 21/70 and 9/70