Compare 81/30 and 3/70
1st number: 2 21/30, 2nd number: 3/70
81/30 is greater than 3/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
81/30 = 81 × 7/30 × 7 = 567/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
3/70 = 3 × 3/70 × 3 = 9/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 567/210 > 9/210 or 81/30 > 3/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/30 and 6/70 81/60 and 3/70 81/30 and 9/70 81/90 and 3/70 81/30 and 15/70 81/30 and 21/70