Compare 21/32 and 7/18
21/32 is greater than 7/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 18 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 32 × 9 = 288,
21/32 = 21 × 9/32 × 9 = 189/288 - Likewise, for the 2nd fraction, since 18 × 16 = 288,
7/18 = 7 × 16/18 × 16 = 112/288 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 189/288 > 112/288 or 21/32 > 7/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/32 and 7/18 21/32 and 14/18 21/64 and 7/18 21/32 and 7/36 63/32 and 7/18 21/32 and 21/18 21/96 and 7/18 21/32 and 7/54 21/32 and 35/18 21/32 and 7/90 21/32 and 49/18