Compare 90/7 and 9/20
1st number: 12 6/7, 2nd number: 9/20
90/7 is greater than 9/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 7 × 20 = 140,
90/7 = 90 × 20/7 × 20 = 1800/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
9/20 = 9 × 7/20 × 7 = 63/140 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1800/140 > 63/140 or 90/7 > 9/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7 and 18/20 90/14 and 9/20 90/7 and 9/40 90/7 and 27/20 90/21 and 9/20 90/7 and 9/60 90/7 and 45/20 90/35 and 9/20 90/7 and 63/20 90/49 and 9/20