Compare 1/20 and 18/48
1/20 is smaller than 18/48
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 20 × 12 = 240,
1/20 = 1 × 12/20 × 12 = 12/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
18/48 = 18 × 5/48 × 5 = 90/240 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 12/240 < 90/240 or 1/20 < 18/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/20 and 18/48 1/20 and 36/48 1/40 and 18/48 1/20 and 18/96 3/20 and 18/48 1/20 and 54/48 1/60 and 18/48 5/20 and 18/48 1/20 and 90/48 7/20 and 18/48