Compare 80/30 and 42/35
1st number: 2 20/30, 2nd number: 1 7/35
80/30 is greater than 42/35
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
80/30 = 80 × 7/30 × 7 = 560/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
42/35 = 42 × 6/35 × 6 = 252/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 560/210 > 252/210 or 80/30 > 42/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30 and 84/35 80/60 and 42/35 80/30 and 42/70 80/90 and 42/35