Compare 21/50 and 45/8
1st number: 21/50, 2nd number: 5 5/8
21/50 is smaller than 45/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 50 × 4 = 200,
21/50 = 21 × 4/50 × 4 = 84/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
45/8 = 45 × 25/8 × 25 = 1125/200 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 84/200 < 1125/200 or 21/50 < 45/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/50 and 45/8 21/50 and 90/8 21/50 and 45/16 63/50 and 45/8 21/50 and 45/24 21/50 and 45/40 21/50 and 45/56