Compare 90/80 and 5/40
1st number: 1 10/80, 2nd number: 5/40
90/80 is greater than 5/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
90/80 = 90 × 1/80 × 1 = 90/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
5/40 = 5 × 2/40 × 2 = 10/80 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/80 > 10/80 or 90/80 > 5/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/80 and 10/40 90/80 and 5/80 90/80 and 15/40 90/80 and 25/40 90/80 and 35/40