Compare 5/40 and 28/70
5/40 is smaller than 28/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
5/40 = 5 × 7/40 × 7 = 35/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
28/70 = 28 × 4/70 × 4 = 112/280 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 35/280 < 112/280 or 5/40 < 28/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40 and 28/70 5/40 and 56/70 5/80 and 28/70 15/40 and 28/70 5/40 and 84/70 25/40 and 28/70 35/40 and 28/70