Compare 70/72 and 25/90
70/72 is greater than 25/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
70/72 = 70 × 5/72 × 5 = 350/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
25/90 = 25 × 4/90 × 4 = 100/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 350/360 > 100/360 or 70/72 > 25/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/72 and 50/90 70/72 and 75/90