Compare 35/30 and 90/70
1st number: 1 5/30, 2nd number: 1 20/70
35/30 is smaller than 90/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
35/30 = 35 × 7/30 × 7 = 245/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
90/70 = 90 × 3/70 × 3 = 270/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 245/210 < 270/210 or 35/30 < 90/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30 and 90/70 35/60 and 90/70 35/90 and 90/70