Compare 21/36 and 4/10
21/36 is greater than 4/10
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 10 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
21/36 = 21 × 5/36 × 5 = 105/180 - Likewise, for the 2nd fraction, since 10 × 18 = 180,
4/10 = 4 × 18/10 × 18 = 72/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 105/180 > 72/180 or 21/36 > 4/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/36 and 4/10 21/36 and 8/10 21/72 and 4/10 21/36 and 4/20 63/36 and 4/10 21/36 and 12/10 21/36 and 4/30 21/36 and 20/10 21/36 and 4/50 21/36 and 28/10 21/36 and 4/70