Compare 18/40 and 28/48
18/40 is smaller than 28/48
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 40 × 6 = 240,
18/40 = 18 × 6/40 × 6 = 108/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
28/48 = 28 × 5/48 × 5 = 140/240 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 108/240 < 140/240 or 18/40 < 28/48
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 28/48 18/40 and 56/48 18/80 and 28/48 18/40 and 28/96 54/40 and 28/48 18/40 and 84/48 90/40 and 28/48