Compare 45/49 and 4/80
45/49 is greater than 4/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 80 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 49 × 80 = 3920,
45/49 = 45 × 80/49 × 80 = 3600/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
4/80 = 4 × 49/80 × 49 = 196/3920 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 3600/3920 > 196/3920 or 45/49 > 4/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/49 and 4/80 45/49 and 8/80 45/98 and 4/80 45/49 and 12/80 45/49 and 20/80 45/49 and 28/80