Compare 36/30 and 3/21
1st number: 1 6/30, 2nd number: 3/21
36/30 is greater than 3/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
36/30 = 36 × 7/30 × 7 = 252/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
3/21 = 3 × 10/21 × 10 = 30/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 252/210 > 30/210 or 36/30 > 3/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/30 and 3/21 36/30 and 6/21 36/60 and 3/21 36/30 and 3/42 36/30 and 9/21 36/90 and 3/21 36/30 and 3/63 36/30 and 15/21