Compare 90/2 and 20/72
1st number: 45 0/2, 2nd number: 20/72
90/2 is greater than 20/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
90/2 = 90 × 36/2 × 36 = 3240/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
20/72 = 20 × 1/72 × 1 = 20/72 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 3240/72 > 20/72 or 90/2 > 20/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2 and 40/72 90/4 and 20/72 90/2 and 60/72 90/6 and 20/72 90/10 and 20/72 90/14 and 20/72