Compare 40/30 and 28/80
1st number: 1 10/30, 2nd number: 28/80
40/30 is greater than 28/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
40/30 = 40 × 8/30 × 8 = 320/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
28/80 = 28 × 3/80 × 3 = 84/240 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 320/240 > 84/240 or 40/30 > 28/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30 and 28/80 40/30 and 56/80 40/60 and 28/80 40/30 and 84/80 40/90 and 28/80