Compare 9/80 and 30/7
1st number: 9/80, 2nd number: 4 2/7
9/80 is smaller than 30/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 7 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
9/80 = 9 × 7/80 × 7 = 63/560 - Likewise, for the 2nd fraction, since 7 × 80 = 560,
30/7 = 30 × 80/7 × 80 = 2400/560 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 63/560 < 2400/560 or 9/80 < 30/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/80 and 30/7 9/80 and 60/7 9/80 and 30/14 27/80 and 30/7 9/80 and 90/7 9/80 and 30/21 45/80 and 30/7 9/80 and 30/35 63/80 and 30/7 9/80 and 30/49