Compare 4/9 and 70/80
4/9 is smaller than 70/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 9 × 80 = 720,
4/9 = 4 × 80/9 × 80 = 320/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
70/80 = 70 × 9/80 × 9 = 630/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 320/720 < 630/720 or 4/9 < 70/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/9 and 70/80 4/18 and 70/80 12/9 and 70/80 4/27 and 70/80 20/9 and 70/80 4/45 and 70/80 28/9 and 70/80 4/63 and 70/80