Compare 18/21 and 25/48
18/21 is greater than 25/48
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,
18/21 = 18 × 16/21 × 16 = 288/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
25/48 = 25 × 7/48 × 7 = 175/336 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 288/336 > 175/336 or 18/21 > 25/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/21 and 25/48 18/21 and 50/48 18/42 and 25/48 18/21 and 25/96 54/21 and 25/48 18/21 and 75/48 18/63 and 25/48 90/21 and 25/48