Compare 20/35 and 21/49
20/35 is greater than 21/49
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 49 is 245
Next, find the equivalent fraction of both fractional numbers with denominator 245 - For the 1st fraction, since 35 × 7 = 245,
20/35 = 20 × 7/35 × 7 = 140/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
21/49 = 21 × 5/49 × 5 = 105/245 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 140/245 > 105/245 or 20/35 > 21/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/35 and 21/49 20/35 and 42/49 20/70 and 21/49 20/35 and 21/98 60/35 and 21/49 20/35 and 63/49