Compare 18/40 and 5/6
18/40 is smaller than 5/6
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 6 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
18/40 = 18 × 3/40 × 3 = 54/120 - Likewise, for the 2nd fraction, since 6 × 20 = 120,
5/6 = 5 × 20/6 × 20 = 100/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 54/120 < 100/120 or 18/40 < 5/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/40 and 5/6 18/40 and 10/6 18/80 and 5/6 18/40 and 5/12 54/40 and 5/6 18/40 and 15/6 18/40 and 5/18 90/40 and 5/6 18/40 and 25/6 18/40 and 5/30 18/40 and 35/6 18/40 and 5/42