Compare 7/18 and 42/63
7/18 is smaller than 42/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
7/18 = 7 × 7/18 × 7 = 49/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
42/63 = 42 × 2/63 × 2 = 84/126 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 49/126 < 84/126 or 7/18 < 42/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/18 and 42/63 7/18 and 84/63 7/36 and 42/63 21/18 and 42/63 7/54 and 42/63 35/18 and 42/63 7/90 and 42/63 49/18 and 42/63