Compare 90/7 and 4/20
1st number: 12 6/7, 2nd number: 4/20
90/7 is greater than 4/20
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,
4/20 = 4 × 7/20 × 7 = 28/140 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1800/140 > 28/140 or 90/7 > 4/20
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 8/20 90/14 and 4/20 90/7 and 4/40 90/7 and 12/20 90/21 and 4/20 90/7 and 4/60 90/35 and 4/20 90/7 and 28/20 90/49 and 4/20