Compare 10/18 and 8/42
10/18 is greater than 8/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
10/18 = 10 × 7/18 × 7 = 70/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
8/42 = 8 × 3/42 × 3 = 24/126 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 70/126 > 24/126 or 10/18 > 8/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/18 and 8/42 10/18 and 16/42 10/36 and 8/42 10/18 and 8/84 30/18 and 8/42 10/18 and 24/42 10/54 and 8/42 50/18 and 8/42 10/18 and 40/42 10/90 and 8/42 70/18 and 8/42 10/18 and 56/42