Compare 21/4 and 12/64
1st number: 5 1/4, 2nd number: 12/64
21/4 is greater than 12/64
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 64 is 64
Next, find the equivalent fraction of both fractional numbers with denominator 64 - For the 1st fraction, since 4 × 16 = 64,
21/4 = 21 × 16/4 × 16 = 336/64 - Likewise, for the 2nd fraction, since 64 × 1 = 64,
12/64 = 12 × 1/64 × 1 = 12/64 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 336/64 > 12/64 or 21/4 > 12/64
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/4 and 12/64 21/4 and 24/64 21/8 and 12/64 63/4 and 12/64 21/4 and 36/64 21/12 and 12/64 21/4 and 60/64 21/20 and 12/64 21/4 and 84/64 21/28 and 12/64