Compare 30/8 and 18/40
1st number: 3 6/8, 2nd number: 18/40
30/8 is greater than 18/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
30/8 = 30 × 5/8 × 5 = 150/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
18/40 = 18 × 1/40 × 1 = 18/40 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 150/40 > 18/40 or 30/8 > 18/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/8 and 18/40 30/8 and 36/40 30/16 and 18/40 30/8 and 18/80 90/8 and 18/40 30/8 and 54/40 30/24 and 18/40 30/8 and 90/40 30/40 and 18/40 30/56 and 18/40