Compare 21/4 and 70/12
1st number: 5 1/4, 2nd number: 5 10/12
21/4 is smaller than 70/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
21/4 = 21 × 3/4 × 3 = 63/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
70/12 = 70 × 1/12 × 1 = 70/12 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 63/12 < 70/12 or 21/4 < 70/12
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 70/12 21/8 and 70/12 21/4 and 70/24 63/4 and 70/12 21/12 and 70/12 21/4 and 70/36 21/20 and 70/12 21/4 and 70/60 21/28 and 70/12 21/4 and 70/84