Compare 21/40 and 36/8
1st number: 21/40, 2nd number: 4 4/8
21/40 is smaller than 36/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
21/40 = 21 × 1/40 × 1 = 21/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
36/8 = 36 × 5/8 × 5 = 180/40 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 21/40 < 180/40 or 21/40 < 36/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/40 and 36/8 21/40 and 72/8 21/80 and 36/8 21/40 and 36/16 63/40 and 36/8 21/40 and 36/24 21/40 and 36/40 21/40 and 36/56