Compare 48/96 and 21/90
48/96 is greater than 21/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 90 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 96 × 15 = 1440,
48/96 = 48 × 15/96 × 15 = 720/1440 - Likewise, for the 2nd fraction, since 90 × 16 = 1440,
21/90 = 21 × 16/90 × 16 = 336/1440 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 720/1440 > 336/1440 or 48/96 > 21/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/96 and 42/90 48/96 and 63/90