Compare 30/80 and 7/5
1st number: 30/80, 2nd number: 1 2/5
30/80 is smaller than 7/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 5 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
30/80 = 30 × 1/80 × 1 = 30/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
7/5 = 7 × 16/5 × 16 = 112/80 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 30/80 < 112/80 or 30/80 < 7/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/80 and 7/5 30/80 and 14/5 30/80 and 7/10 90/80 and 7/5 30/80 and 21/5 30/80 and 7/15 30/80 and 35/5 30/80 and 7/25 30/80 and 49/5 30/80 and 7/35