Compare 21/16 and 25/40
1st number: 1 5/16, 2nd number: 25/40
21/16 is greater than 25/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
21/16 = 21 × 5/16 × 5 = 105/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
25/40 = 25 × 2/40 × 2 = 50/80 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 105/80 > 50/80 or 21/16 > 25/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/16 and 25/40 21/16 and 50/40 21/32 and 25/40 21/16 and 25/80 63/16 and 25/40 21/16 and 75/40 21/48 and 25/40 21/80 and 25/40