Compare 25/21 and 90/48
1st number: 1 4/21, 2nd number: 1 42/48
25/21 is smaller than 90/48
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
25/21 = 25 × 16/21 × 16 = 400/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
90/48 = 90 × 7/48 × 7 = 630/336 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 400/336 < 630/336 or 25/21 < 90/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/21 and 90/48 25/42 and 90/48 25/21 and 90/96 75/21 and 90/48 25/63 and 90/48