Compare 7/40 and 12/28
7/40 is smaller than 12/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 28 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
7/40 = 7 × 7/40 × 7 = 49/280 - Likewise, for the 2nd fraction, since 28 × 10 = 280,
12/28 = 12 × 10/28 × 10 = 120/280 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 49/280 < 120/280 or 7/40 < 12/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/40 and 12/28 7/40 and 24/28 7/80 and 12/28 7/40 and 12/56 21/40 and 12/28 7/40 and 36/28 7/40 and 12/84 35/40 and 12/28 7/40 and 60/28 49/40 and 12/28 7/40 and 84/28