Compare 49/20 and 7/81
1st number: 2 9/20, 2nd number: 7/81
49/20 is greater than 7/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 81 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 20 × 81 = 1620,
49/20 = 49 × 81/20 × 81 = 3969/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
7/81 = 7 × 20/81 × 20 = 140/1620 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 3969/1620 > 140/1620 or 49/20 > 7/81
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 7/81 49/20 and 14/81 49/40 and 7/81 49/20 and 21/81 49/60 and 7/81 49/20 and 35/81 49/20 and 49/81