Compare 49/20 and 84/72
1st number: 2 9/20, 2nd number: 1 12/72
49/20 is greater than 84/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 20 × 18 = 360,
49/20 = 49 × 18/20 × 18 = 882/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
84/72 = 84 × 5/72 × 5 = 420/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 882/360 > 420/360 or 49/20 > 84/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20 and 84/72 49/40 and 84/72 49/60 and 84/72