Compare 80/28 and 40/80
1st number: 2 24/28, 2nd number: 40/80
80/28 is greater than 40/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 28 × 20 = 560,
80/28 = 80 × 20/28 × 20 = 1600/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
40/80 = 40 × 7/80 × 7 = 280/560 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1600/560 > 280/560 or 80/28 > 40/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/56 and 40/80 80/84 and 40/80