Compare 28/40 and 90/10
1st number: 28/40, 2nd number: 9 0/10
28/40 is smaller than 90/10
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
28/40 = 28 × 1/40 × 1 = 28/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
90/10 = 90 × 4/10 × 4 = 360/40 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 28/40 < 360/40 or 28/40 < 90/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/40 and 90/10 28/80 and 90/10 28/40 and 90/20 84/40 and 90/10 28/40 and 90/30 28/40 and 90/50 28/40 and 90/70