Compare 8/72 and 7/20
8/72 is smaller than 7/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 20 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
8/72 = 8 × 5/72 × 5 = 40/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
7/20 = 7 × 18/20 × 18 = 126/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 40/360 < 126/360 or 8/72 < 7/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/72 and 7/20 8/72 and 14/20 8/72 and 7/40 24/72 and 7/20 8/72 and 21/20 8/72 and 7/60 40/72 and 7/20 8/72 and 35/20 56/72 and 7/20 8/72 and 49/20