Compare 70/20 and 28/72
1st number: 3 10/20, 2nd number: 28/72
70/20 is greater than 28/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 20 × 18 = 360,
70/20 = 70 × 18/20 × 18 = 1260/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
28/72 = 28 × 5/72 × 5 = 140/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1260/360 > 140/360 or 70/20 > 28/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20 and 56/72 70/40 and 28/72 70/20 and 84/72 70/60 and 28/72