Compare 70/75 and 63/72
70/75 is greater than 63/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 75 × 24 = 1800,
70/75 = 70 × 24/75 × 24 = 1680/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
63/72 = 63 × 25/72 × 25 = 1575/1800 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1680/1800 > 1575/1800 or 70/75 > 63/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: