Compare 32/36 and 18/21
32/36 is greater than 18/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 21 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
32/36 = 32 × 7/36 × 7 = 224/252 - Likewise, for the 2nd fraction, since 21 × 12 = 252,
18/21 = 18 × 12/21 × 12 = 216/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 224/252 > 216/252 or 32/36 > 18/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/36 and 18/21 32/36 and 36/21 32/72 and 18/21 32/36 and 18/42 96/36 and 18/21 32/36 and 54/21 32/36 and 18/63 32/36 and 90/21