Compare 8/5 and 90/45
1st number: 1 3/5, 2nd number: 2 0/45
8/5 is smaller than 90/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
8/5 = 8 × 9/5 × 9 = 72/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
90/45 = 90 × 1/45 × 1 = 90/45 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 72/45 < 90/45 or 8/5 < 90/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/5 and 90/45 8/10 and 90/45 24/5 and 90/45 8/15 and 90/45 40/5 and 90/45 8/25 and 90/45 56/5 and 90/45 8/35 and 90/45