Compare 36/80 and 21/50
36/80 is greater than 21/50
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 50 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 80 × 5 = 400,
36/80 = 36 × 5/80 × 5 = 180/400 - Likewise, for the 2nd fraction, since 50 × 8 = 400,
21/50 = 21 × 8/50 × 8 = 168/400 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/400 > 168/400 or 36/80 > 21/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/80 and 21/50 36/80 and 42/50 36/80 and 63/50