Compare 15/2 and 70/20
1st number: 7 1/2, 2nd number: 3 10/20
15/2 is greater than 70/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
15/2 = 15 × 10/2 × 10 = 150/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
70/20 = 70 × 1/20 × 1 = 70/20 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 150/20 > 70/20 or 15/2 > 70/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2 and 70/20 15/4 and 70/20 15/2 and 70/40 45/2 and 70/20 15/6 and 70/20 15/2 and 70/60 75/2 and 70/20 15/10 and 70/20 15/14 and 70/20