Compare 20/12 and 15/70
1st number: 1 8/12, 2nd number: 15/70
20/12 is greater than 15/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
20/12 = 20 × 35/12 × 35 = 700/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
15/70 = 15 × 6/70 × 6 = 90/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 700/420 > 90/420 or 20/12 > 15/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12 and 15/70 20/12 and 30/70 20/24 and 15/70 60/12 and 15/70 20/12 and 45/70 20/36 and 15/70 20/12 and 75/70 20/60 and 15/70 20/84 and 15/70