Compare 72/56 and 80/30
1st number: 1 16/56, 2nd number: 2 20/30
72/56 is smaller than 80/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 30 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
72/56 = 72 × 15/56 × 15 = 1080/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
80/30 = 80 × 28/30 × 28 = 2240/840 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1080/840 < 2240/840 or 72/56 < 80/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/56 and 80/60 72/56 and 80/90