Compare 21/18 and 25/32, Which fraction is greater?

Compare 21/18 and 25/32

1^st number: 1 3/18, 2^nd number: 25/32

21/18 is greater than 25/32

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 32 is 288

Next, find the equivalent fraction of both fractional numbers with denominator 288
For the 1st fraction, since 18 × 16 = 288,
21/18 = 21 × 16/18 × 16 = 336/288
Likewise, for the 2nd fraction, since 32 × 9 = 288,
25/32 = 25 × 9/32 × 9 = 225/288
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
336/288 > 225/288 or 21/18 > 25/32

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad