Compare 70/21 and 3/8
1st number: 3 7/21, 2nd number: 3/8
70/21 is greater than 3/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
70/21 = 70 × 8/21 × 8 = 560/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
3/8 = 3 × 21/8 × 21 = 63/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 560/168 > 63/168 or 70/21 > 3/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/21 and 6/8 70/42 and 3/8 70/21 and 3/16 70/21 and 9/8 70/63 and 3/8 70/21 and 3/24 70/21 and 15/8 70/21 and 3/40 70/21 and 21/8 70/21 and 3/56