Compare 2/35 and 18/21
2/35 is smaller than 18/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 35 × 3 = 105,
2/35 = 2 × 3/35 × 3 = 6/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
18/21 = 18 × 5/21 × 5 = 90/105 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 6/105 < 90/105 or 2/35 < 18/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/35 and 18/21 2/35 and 36/21 2/70 and 18/21 2/35 and 18/42 6/35 and 18/21 2/35 and 54/21 2/35 and 18/63 10/35 and 18/21 2/35 and 90/21 14/35 and 18/21