Compare 28/84 and 2/80
28/84 is greater than 2/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 84 × 20 = 1680,
28/84 = 28 × 20/84 × 20 = 560/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
2/80 = 2 × 21/80 × 21 = 42/1680 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 560/1680 > 42/1680 or 28/84 > 2/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84 and 2/80 28/84 and 4/80 28/84 and 6/80 28/84 and 10/80 28/84 and 14/80