Compare 10/12 and 70/21
1st number: 10/12, 2nd number: 3 7/21
10/12 is smaller than 70/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
10/12 = 10 × 7/12 × 7 = 70/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
70/21 = 70 × 4/21 × 4 = 280/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 70/84 < 280/84 or 10/12 < 70/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/12 and 70/21 10/24 and 70/21 10/12 and 70/42 30/12 and 70/21 10/36 and 70/21 10/12 and 70/63 50/12 and 70/21 10/60 and 70/21 70/12 and 70/21 10/84 and 70/21