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