Compare 72/80 and 5/30
72/80 is greater than 5/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
72/80 = 72 × 3/80 × 3 = 216/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
5/30 = 5 × 8/30 × 8 = 40/240 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 216/240 > 40/240 or 72/80 > 5/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/80 and 10/30 72/80 and 5/60 72/80 and 15/30 72/80 and 5/90 72/80 and 25/30 72/80 and 35/30