Compare 1/7 and 30/80
1/7 is smaller than 30/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 7 × 80 = 560,
1/7 = 1 × 80/7 × 80 = 80/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
30/80 = 30 × 7/80 × 7 = 210/560 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 80/560 < 210/560 or 1/7 < 30/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/7 and 30/80 1/7 and 60/80 1/14 and 30/80 3/7 and 30/80 1/7 and 90/80 1/21 and 30/80 5/7 and 30/80 1/35 and 30/80 1/49 and 30/80