Compare 5/48 and 21/80
5/48 is smaller than 21/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
5/48 = 5 × 5/48 × 5 = 25/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
21/80 = 21 × 3/80 × 3 = 63/240 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 25/240 < 63/240 or 5/48 < 21/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/48 and 21/80 5/48 and 42/80 5/96 and 21/80 15/48 and 21/80 5/48 and 63/80 25/48 and 21/80 35/48 and 21/80