Compare 7/21 and 70/60
1st number: 7/21, 2nd number: 1 10/60
7/21 is smaller than 70/60
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 21 × 20 = 420,
7/21 = 7 × 20/21 × 20 = 140/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
70/60 = 70 × 7/60 × 7 = 490/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 140/420 < 490/420 or 7/21 < 70/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/21 and 70/60 7/42 and 70/60 7/63 and 70/60 35/21 and 70/60 49/21 and 70/60